File size: 34,154 Bytes
70ee45d
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
<!DOCTYPE html> <html class=js lang=en-US style><!--
 Page saved with SingleFile 
 url: https://jquery.com 
 saved date: Fri May 24 2024 01:25:21 GMT+0800 (中国标准时间)
--><meta charset=utf-8>
<meta http-equiv=X-UA-Compatible content="IE=edge">
<title>jQuery</title>
<meta name=author content="OpenJS Foundation - openjsf.org">
<meta name=description content="jQuery: The Write Less, Do More, JavaScript Library">
<meta name=viewport content="width=device-width">
<style>:root{--sf-img-12: url("placeholder.png")}</style><style>/*! https://github.com/jquery/typesense-minibar 1.1.1 */.tsmb-form{--tsmb-size-edge:1px;--tsmb-size-highlight:2px;--tsmb-size-half:calc(var(--tsmb-size-sm)/2);--tsmb-size-input:calc(var(--tsmb-size-base)*1.2);--tsmb-color-focus-background:#fff;position:relative;max-width:100%;padding:0;color:var(--tsmb-color-base30)}.tsmb-form input[type=search]{box-sizing:border-box;-webkit-appearance:none;-moz-appearance:none;appearance:none;color:inherit;background:var(--tsmb-color-base-background);padding:var(--tsmb-size-sm) var(--tsmb-size-sm) var(--tsmb-size-sm) calc(var(--tsmb-size-base) + var(--tsmb-size-sm) + var(--tsmb-size-sm));border:var(--tsmb-size-edge) solid var(--tsmb-color-base90);border-radius:var(--tsmb-size-radius);font-size:var(--tsmb-size-base);width:100%;line-height:var(--tsmb-size-input)}.tsmb-form input[type=search]::placeholder{color:var(--tsmb-color-base50);opacity:1}.tsmb-form:focus-within{color:var(--tsmb-color-focus30)}.tsmb-form:focus-within input[type=search]{background:var(--tsmb-color-focus-background)}.tsmb-form:focus-within input[type=search]::placeholder{color:var(--tsmb-color-focus50)}.tsmb-form input[type=search]::-webkit-search-decoration,.tsmb-form input[type=search]::-webkit-search-cancel-button,.tsmb-form input[type=search]::-webkit-search-results-button,.tsmb-form input[type=search]::-webkit-search-results-decoration{display:none}.tsmb-form::before{content:"";background:url(data:image/svg+xml,<svg\ xmlns=\'http://www.w3.org/2000/svg\'\ viewBox=\'654\ -372\ 1664\ 1664\'\ width=\'20\'\ height=\'20\'><path\ d=\'M1806,332c0-123.3-43.8-228.8-131.5-316.5C1586.8-72.2,1481.3-116,1358-116s-228.8,43.8-316.5,131.5\ C953.8,103.2,910,208.7,910,332s43.8,228.8,131.5,316.5C1129.2,736.2,1234.7,780,1358,780s228.8-43.8,316.5-131.5\ C1762.2,560.8,1806,455.3,1806,332z\ M2318,1164c0,34.7-12.7,64.7-38,90s-55.3,38-90,38c-36,0-66-12.7-90-38l-343-342\ c-119.3,82.7-252.3,124-399,124c-95.3,0-186.5-18.5-273.5-55.5s-162-87-225-150s-113-138-150-225S654,427.3,654,332\ s18.5-186.5,55.5-273.5s87-162,150-225s138-113,225-150S1262.7-372,1358-372s186.5,18.5,273.5,55.5s162,87,225,150s113,138,150,225\ S2062,236.7,2062,332c0,146.7-41.3,279.7-124,399l343,343C2305.7,1098.7,2318,1128.7,2318,1164z\'\/><\/svg>)0 50%/contain no-repeat;position:absolute;top:calc(var(--tsmb-size-sm) + var(--tsmb-size-edge));left:var(--tsmb-size-sm);width:var(--tsmb-size-base);height:var(--tsmb-size-input);opacity:0.5}.tsmb-form--slash input[type=search]{padding-right:calc(var(--tsmb-size-sm) + var(--tsmb-size-base) + var(--tsmb-size-base))}.tsmb-icon-close{box-sizing:border-box;position:absolute;top:calc(50% - var(--tsmb-size-base)/2);right:var(--tsmb-size-base);width:var(--tsmb-size-base);height:var(--tsmb-size-base);stroke:currentColor;border:1px solid currentColor;border-radius:50%;cursor:pointer}.tsmb-form--slash:not(.tsmb-form--open):not(:focus-within)::after{content:"/";display:inline-block;position:absolute;top:calc(50% - (var(--tsmb-size-input) + var(--tsmb-size-sm)/2)/2);right:var(--tsmb-size-sm);width:calc(var(--tsmb-size-input) + var(--tsmb-size-sm)/2);height:calc(var(--tsmb-size-input) + var(--tsmb-size-sm)/2);font-size:var(--tsmb-size-base);line-height:calc(var(--tsmb-size-input) + var(--tsmb-size-sm)/2);text-align:center;background:var(--tsmb-color-base-background);border:var(--tsmb-size-edge) solid var(--tsmb-color-base90);border-radius:var(--tsmb-size-radius);color:var(--tsmb-color-base90)}@media (max-width:480px){.tsmb-form{width:100%}.tsmb-form input[type=search]{border-radius:0}}@media (min-width:768px){.tsmb-form--slash::after{display:none}}/*! https://github.com/jquery/typesense-minibar 1.1.1 */</style>
<style>/*! Copyright jQuery Foundation and other contributors
 * Includes:
 * - normalize.css v1.0.1 (MIT License, Copyright Nicolas Gallagher and Jonathan Neal)
 * - Font Awesome v3.0.2 (MIT License, Font Awesome by Dave Gandy)
 */*{box-sizing:border-box}aside,footer,header,nav,section{display:block}html{font-size:100%;-webkit-text-size-adjust:100%}html,button{font-family:sans-serif;color:#333}body{margin:0}::selection{background:#b4efff;text-shadow:none}.jquery-ui ::selection{background:#ffddb2}.jquery-mobile ::selection{background:#c9f2c8}@font-face{font-family:"FontAwesome";src:url()format("woff2");font-weight:normal;font-style:normal}a:focus{outline:thin dotted}a:active,a:hover{outline:0}h2{font-size:1.5em;margin:0 0 0.5em}h3{margin:0 0 0.67em}h2,h3{font-weight:700;font-family:Cairo,"Helvetica Neue",Helvetica,Arial,Geneva,sans-serif!important}p{margin:1em 0}pre,code{white-space:pre-wrap;word-wrap:break-word;font-size:13px;line-height:16px}code{padding:0 3px;background-color:rgba(0,0,0,0.08);border-radius:3px}pre code{background-color:transparent;white-space:pre;word-wrap:normal}ul{margin:0 0 1em}ul{padding:0}nav ul{list-style:none;list-style-image:none}img{vertical-align:middle}button,input{font-size:100%;margin:0;vertical-align:baseline}button{line-height:normal}button{-webkit-appearance:button;cursor:pointer}input[type="search"]{-webkit-appearance:textfield}input[type="search"]::-webkit-search-cancel-button,input[type="search"]::-webkit-search-decoration{-webkit-appearance:none}table{border-collapse:collapse;border-spacing:0}#content table{margin:1em 2em}#content tbody tr:hover{background-color:#eee}#content td{padding:.5em}@font-face{font-family:Cairo;src:url()format("woff2");font-weight:normal}@font-face{font-family:Cairo;src:url()format("woff2");font-weight:700}[class^="icon-"]{font-weight:normal;font-style:normal;text-decoration:inherit;-webkit-font-smoothing:antialiased;height:auto;vertical-align:baseline;background-image:none;background-position:0 0;background-repeat:repeat;margin-top:0}[class^="icon-"]:before,[class*=" icon-"]:before{text-decoration:inherit;display:inline-block;speak:none}li [class^="icon-"]{text-align:center}.icon-comments:before{content:""}.icon-github:before{content:""}.icon-pencil:before{content:""}.icon-twitter:before{content:""}[class^="icon-"]::before,[class^="icon-"]::after,[class*=" icon-"]::before,[class*=" icon-"]::after{font-family:FontAwesome,"Helvetica Neue",Helvetica,Arial,sans-serif}body{-webkit-font-smoothing:antialiased;color:#333;font:15px/22.5px"Helvetica Neue",HelveticaNeue,Helvetica,Arial,sans-serif}#container{background:#0769ad;margin:0 auto;padding:0 20px}#content-wrapper{background-color:#fff;box-shadow:-3px 0 5px -3px rgba(1,1,1,0.87),3px 0 5px -3px rgba(1,1,1,0.87);padding:20px 0;border-top:1px solid #333;border-radius:0 0 10px 10px;position:relative}.constrain{max-width:1240px;margin:0 auto;padding:0 20px}#content{float:left}.content-full #content{width:100%}.content-full.full-width #content{padding-left:0;padding-right:0}#global-nav{background:linear-gradient(to bottom,transparent 92%,rgb(20,20,20)),linear-gradient(to bottom,rgb(75,75,75),#232323)}#global-nav nav{height:34px}#global-nav nav ul{text-align:left;display:inline;float:left;margin:0;list-style:none;border-right:1px solid rgba(255,255,255,0.0976562);border-left:1px solid rgba(0,0,0,0.347656)}#global-nav nav ul.links{float:right}#global-nav nav ul li{font:bold 13px/17px"Helvetica Neue",Helvetica,Arial,Geneva,sans-serif;display:inline-block;float:left;position:relative;top:1px;cursor:pointer;transition:all 0.2s;text-shadow:0 0 2px #000;border-left:1px solid rgba(255,255,255,0.0976562);border-right:1px solid rgba(0,0,0,0.347656)}#global-nav nav ul li:hover{background:#232323;color:#fff}#global-nav nav ul li a{color:#e6e6e6;font-weight:normal;font-style:normal;text-decoration:none;display:block;padding:8px 12px;white-space:nowrap}#global-nav nav ul.projects li.project{width:42px;padding:0;height:33px;text-indent:-9999px;background:url(placeholder.png)-6px 0;z-index:10}#global-nav nav ul.projects li.project a{display:block;height:33px}#global-nav nav ul.projects li.jquery-mobile{background-position:-107px 0}#global-nav nav ul.projects li.sizzlejs{background-position:-155px 0}#global-nav nav ul.projects li.qunitjs{background-position:-204px 0}.jquery #global-nav nav ul.projects li.jquery{background-position:0 bottom;width:52px;position:relative;margin-top:1px;border:none}.jquery #global-nav nav ul.projects{border-left:none}.jquery #global-nav nav ul.projects li.jquery-ui{border-left:none;background-position:-59px 0}#container,footer{border-top:1px solid #7acef4}#logo-events{clear:both;padding:25px 20px}h2.logo{float:left;margin:0;width:243px}h2.logo a{float:left;display:block;height:66px;overflow:hidden;text-indent:-1000px}.jquery h2.logo a{width:243px;background:url(placeholder.png)no-repeat}nav#main{background-color:rgba(0,0,0,0.18);border-radius:10px 10px 0 0;border-right:1px solid rgba(2,2,2,0.28);border-left:1px solid rgba(2,2,2,0.28);border-top:1px solid rgba(250,250,250,0.14);box-shadow:0 0 5px rgba(1,1,1,0.7)}nav#main ul{margin:0;float:left;width:70%;padding-top:10px;padding-bottom:10px}nav#main li{float:left;font:normal 700 16px Cairo,"Helvetica Neue",Helvetica,Arial,Geneva,sans-serif;margin-right:2px}nav#main li a{color:#fff;text-decoration:none;padding:0 10px;line-height:32px;display:block;border:1px solid transparent;text-shadow:0-1px 0 rgba(0,0,0,0.76)}nav#main li a:hover,nav#main li.current a{background:none;box-shadow:inset 0 0 5px rgba(0,0,0,0.4),rgba(255,255,255,0.1)0 1px 0;border-radius:4px;border:1px solid rgba(0,0,0,0.25);color:#fff;text-shadow:rgba(0,0,0,0.796875)0-1px 0,rgba(255,255,255,0.296875)0 0 10px}.searchform{float:right;margin:6px 0;width:30%}.searchform input{font-family:"Lucida Grande",Lucida,Verdana,sans-serif}.tsmb-form{--tsmb-size-radius:5px;--tsmb-size-base:12px;--tsmb-size-sm:0.8rem;--tsmb-color-base-background:var(--tsmb-color-primary50);--tsmb-color-base30:#fff;--tsmb-color-base50:var(--tsmb-color-primary90);--tsmb-color-base90:var(--tsmb-color-primary90);--tsmb-color-focus30:#666;--tsmb-color-focus50:#444;--tsmb-color-focus90:#ccc;--tsmb-color-primary30:#333;--tsmb-color-primary50:#0769ad;--tsmb-color-primary90:#b4efff}.tsmb-form:not(:focus-within)::before{filter:invert()}.tsmb-form input[type=search]{border-width:0}#content a{text-decoration:underline}#content a:hover{text-decoration:none}p{margin-bottom:15px;margin-top:0}#content ul{margin:0 0 20px 20px}#content ul li{padding:5px 0 5px 12px;margin-left:8px;line-height:20px}#content ul li::marker{content:"●";color:#ccc}#content h2{font-size:24px;line-height:24px;color:#333;margin-bottom:10px}#content h3{font-size:20px;line-height:20px;color:#666}#content h2.block{padding:10px 2%;background:#ececec;text-shadow:0 1px 0#ffffff}#banner-secondary{background-image:url(placeholder.png);margin:-20px -25px 15px;padding:20px}#banner-secondary p{color:#ccc;font:22px/26px"Helvetica Neue",Helvetica,Arial,Geneva,sans-serif;padding-left:15%;padding-right:15%}#banner-secondary a,#banner-secondary a:hover{color:#7acef4}.center-txt{text-align:center!important}#content a.button{color:#fff!important;text-shadow:0-1px 1px rgba(0,0,0,0.35);font:bold 16px/16px Cairo,"Helvetica Neue",Helvetica,Arial,Geneva,sans-serif;background-color:#d18f4f}a.button:hover,#content a.button:hover,.button:hover,input[type="submit"]:hover{border-color:#b24926;background-color:#cc8540}a.button:active,#content a.button:active,.button:active,input[type="submit"]:active{border-color:#b24926;background-color:#b24926}footer{background:#232323 linear-gradient(to bottom,rgba(0,0,0,.3),rgba(0,0,0,0)) top left/100px 15px repeat-x;margin-top:-20px;color:#aaa}footer.simple{padding-top:45px;padding-bottom:10px}footer a{color:#fff;text-decoration:none}footer h3{color:#777;letter-spacing:normal;text-transform:uppercase;text-shadow:#000 0 1px 0;border:solid 1px #000;text-rendering:optimizeLegibility;border-bottom:none;border-radius:4px 4px 0 0;position:relative;text-align:center;height:10px;margin-top:20px;font-size:16px}footer h3 span{display:inline-block;padding:3px 10px;position:relative;top:-0.8em;background:#232323;z-index:1}footer h3:after{content:"";position:absolute;left:0;top:0;width:100%;height:100%;border:solid 1px #333;border-bottom:none;border-radius:4px 4px 0 0}footer .legal{margin-top:1em;border-top:solid 1px #333;box-shadow:#000 0-1px 0;padding-top:10px;color:#777}.footer-site-links{float:right;width:58%;min-height:5em;text-align:right}footer p{margin:0 0 0.5em;font-size:11px;line-height:130%}footer p.copyright{margin-top:0;width:40%}footer .legal a{color:#aaa}footer .legal a:hover{color:#fff}footer a.wp-link:before,footer a.do-link:before{content:url(placeholder.png);display:inline-block;width:1.5em;height:1.5em;padding-right:0.5em;vertical-align:bottom;filter:invert(1)}footer a.do-link:before{content:url(placeholder.png)}.footer-site-links li{position:relative;background:none;width:auto;height:auto;line-height:20px;margin:0 0 10px 20px;font-size:13px}.footer-site-links li:first-child{margin-left:0}.footer-site-links li a{position:relative;color:#aaa;display:block;padding-left:30px;width:auto;line-height:inherit}.footer-site-links li a:before{position:absolute;font-size:1.5em;color:#4d4d4d;text-shadow:0-1px 0#000000;left:2px}.footer-site-links li:hover a,.footer-site-links li:hover a:before{color:#e6e6e6}.footer-site-links li{display:inline-block}footer ul li{list-style:none;padding:0;margin:0}footer .books li{float:left;width:30%;min-width:95px;margin-left:2.8%;margin-bottom:15px;line-height:130%;font-size:11px;text-align:center}footer .books li:first-child{margin-left:2%}footer .books li a img{display:block;border-radius:5px;border:solid 1px rgba(255,255,255,0.2);width:92px;height:114px;margin:0 auto 5px}footer .books li a:hover img{border-color:#fff}footer .books li a cite{display:block;font-style:normal;font-size:9px;line-height:1.5em;color:#aaa}@media only screen and (max-width:807px){#content-wrapper.row{min-width:0}}@media only screen and (max-width:767px){.content-full.full-width #content{padding-left:15px;padding-right:15px}#content{width:100%;float:none;clear:both}#banner-secondary{margin-left:-15px!important;margin-right:-15px!important}footer p.copyright,footer ul.footer-site-links{width:100%;min-height:auto}footer p.copyright,footer ul.footer-site-links,footer p{text-align:center;margin:0 0 10px 0}}@media only screen and (max-width:700px){#global-nav ul.projects{display:none}#global-nav nav ul.links{float:left}#global-nav nav ul.links li{font-size:12px}#logo-events h2.logo{float:none;margin-left:auto;margin-right:auto}nav#main .searchform{display:block;float:none;width:100%;margin:15px auto;clear:both}.searchform input[type=search]{border-width:1px}nav#main ul{width:auto!important;text-align:left!important;float:none;margin:0;padding:0}nav#main ul li,nav#main ul li a{display:block;text-align:left!important;float:left;margin-right:0;padding:0 4px 4px 0}nav#main li a:hover,nav#main li.current a{background:none;box-shadow:none;border-radius:4px;border:1px solid rgba(0,0,0,0.0)}nav#main li a{font-size:14px}.content-full.full-width #content{padding-left:10px;padding-right:10px}#banner-secondary{border-top-left-radius:9px;border-top-right-radius:9px;margin-left:-10px!important;margin-right:-10px!important}footer .books li{clear:both;margin-bottom:10px;float:none;margin-left:auto!important;margin-right:auto;text-align:center}}@media only screen and (max-width:480px){#global-nav{display:none}#container{border-top:none!important}.menu-top-container{display:flex;flex-flow:column}#menu-top{display:none}nav#main{padding:0;background:none;border:none;box-shadow:none}nav#main .searchform{display:block;float:none;width:100%;margin:15px auto}nav#main ul li,nav#main ul li a{float:none;padding:6px 0 6px 8px}.constrain,#container{padding-left:10px;padding-right:10px}.content-full.full-width #content{padding-left:0;padding-right:0}#content-wrapper{border-top-left-radius:10px;border-top-right-radius:10px;padding-left:25px;padding-right:25px}#content pre{margin-left:-25px;margin-right:-25px}#banner-secondary{margin-left:-25px!important;margin-right:-25px!important}}@media only screen and (-webkit-device-pixel-ratio:2){.jquery h2.logo a{background:url(placeholder.png)no-repeat;background-size:243px 66px}}.visuallyhidden{border:0;clip:rect(0 0 0 0);height:1px;margin:-1px;overflow:hidden;padding:0;position:absolute;width:1px}.clearfix:before,.clearfix:after{content:" ";display:table}.clearfix:after{clear:both}.row{width:1240px;max-width:100%;min-width:768px;margin:0 auto}.row .row{width:auto;max-width:none;min-width:0;margin:0-25px}.columns{float:left;min-height:1px;padding:0 25px;position:relative}.columns.centered{float:none;margin:0 auto}[class*="column"]+[class*="column"]:last-child{float:right}.row .four{width:33.33333%}.row .six{width:50%}.row .eight{width:66.66667%}.row .twelve{width:100%}.pull-four{right:33.33333%}.push-eight{left:66.66667%}img{max-width:100%}.row:before,.row:after{content:"";display:table}.row:after{clear:both}@media only screen and (max-width:767px){.row{width:auto;min-width:0;margin-left:0!important;margin-right:0!important}.columns{width:auto!important;float:none;padding-left:0!important;padding-right:0!important}.column:last-child,.columns:last-child{float:none}[class*="column"]+[class*="column"]:last-child{float:none}.column:before,.columns:before,.column:after,.columns:after{content:"";display:table}.column:after,.columns:after{clear:both}.push-eight{left:auto}.pull-four{right:auto}}pre,code{font-family:Consolas,Menlo,monospace!important;word-spacing:0}pre code{display:block;color:#333}pre .hljs-keyword{color:#333;font-weight:bold}pre .hljs-number{color:#099}pre .hljs-string{color:#d14}pre .hljs-attr{color:#008080}.syntaxhighlighter div,.syntaxhighlighter pre,.syntaxhighlighter code,.syntaxhighlighter table,.syntaxhighlighter table td,.syntaxhighlighter table tr,.syntaxhighlighter table tbody{border-radius:0 0 0 0!important;background:none!important;bottom:auto!important;float:none!important;height:auto!important;left:auto!important;line-height:1.1em!important;margin:0!important;outline:0!important;overflow:visible!important;padding:0!important;position:static!important;right:auto!important;text-align:left!important;top:auto!important;vertical-align:baseline!important;width:auto!important;box-sizing:content-box!important;font-family:Consolas,Menlo,monospace!important;font-weight:normal!important;font-style:normal!important;font-size:1em!important;min-height:auto!important}.syntaxhighlighter{width:100%!important;margin:1em 0 1em 0!important;padding:1em 0;position:relative!important;overflow:auto!important;font-size:1em!important;background:#eee}.syntaxhighlighter .line{white-space:pre!important}.syntaxhighlighter table{width:100%!important}.syntaxhighlighter table td.code{width:100%!important}.syntaxhighlighter table td.code .container{position:relative!important}.syntaxhighlighter table td.gutter .line{text-align:right!important;padding:0 0.5em 0 1em!important;user-select:none}.syntaxhighlighter table td.code .line{padding:0 0.5em!important}.syntaxhighlighter table td.gutter{border-right:2px solid #999}.syntaxhighlighter{border-radius:5px}#content .syntaxhighlighter tr{border-bottom:none}</style>
<style>a{color:#b24926}#content a:hover{color:#333}#home-content{margin-bottom:15px}#banner-secondary a,#banner-secondary a:hover{color:#b3b3b3}#banner-secondary h3{color:#7acef4;margin-bottom:0.5em}#banner-secondary .features-box p{font-size:.8em;line-height:1em;padding:0}.feature-box-image{margin:0 auto 1em auto;width:120px;height:107px;overflow:hidden}.lightweight-footprint .feature-box-image{background:var(--sf-img-12)0 0 no-repeat}.css3-compliant .feature-box-image{background:var(--sf-img-12) -139px 0 no-repeat}.cross-browser .feature-box-image{background:var(--sf-img-12) -278px 0 no-repeat;transition:all 0.4s}.cross-browser .feature-box-image:hover{transition:all 0.7s;transform:rotate(6.28rad)}.download-options{margin-top:1em}#banner-secondary .download-options a{display:block}#banner-secondary .download-main .button{float:none;box-shadow:0 0 20px rgba(209,143,79,0.6);border-radius:0;border:none;transition:all 1s}#banner-secondary .download-main .button:hover{box-shadow:0 0 25px rgba(209,143,79,0.9)}#content #banner-secondary .download-main>a{display:block;padding:0 0 .5em 0;font-size:2em;width:100%;text-align:center;text-decoration:none;line-height:0.8em}#content #banner-secondary .download-main>a span{display:block;font-size:0.6em}#content #banner-secondary .download-main>a span.download{background:url(placeholder.png)0 0;width:44px;height:37px;position:relative;top:1em;display:inline-block;margin-right:0.5em}#content #banner-secondary .download-main .support-notice{font-size:12px}@media only screen and (max-width:767px){}</style>
<meta name=robots content=max-image-preview:large>
<link rel=https://api.w.org/ href=https://jquery.com/wp-json/><link rel=alternate type=application/json href=https://jquery.com/wp-json/wp/v2/pages/8><meta name=generator content="WordPress 6.5.3">
<link rel=canonical href=https://jquery.com/>
<link rel=alternate type=application/json+oembed href="https://jquery.com/wp-json/oembed/1.0/embed?url=https%3A%2F%2Fjquery.com%2F">
<link rel=alternate type=text/xml+oembed href="https://jquery.com/wp-json/oembed/1.0/embed?url=https%3A%2F%2Fjquery.com%2F&amp;format=xml">
<link rel=me href=https://social.lfx.dev/@jquery>
<meta name=referrer content=no-referrer><link rel="shortcut icon" href="placeholder.png"><style>.sf-hidden{display:none!important}</style><meta http-equiv=content-security-policy content="default-src 'none'; font-src 'self' data:; img-src 'self' placeholder.png; style-src 'unsafe-inline'; media-src 'self' data:; script-src 'unsafe-inline' data:; object-src 'self' data:; frame-src 'self' data:;"><style>img[src="data:,"],source[src="data:,"]{display:none!important}</style></head>
<body class="jquery home page-template page-template-page-fullwidth page-template-page-fullwidth-php page page-id-8 page-slug-index single-author singular">
<header>
 <section id=global-nav>
 <nav>
 <div class=constrain>
 <ul class=projects>
 <li class="project jquery"><a href=https://jquery.com/ title=jQuery>jQuery</a></li>
 <li class="project jquery-ui"><a href=https://jqueryui.com/ title="jQuery UI">jQuery UI</a></li>
 <li class="project jquery-mobile"><a href=https://jquerymobile.com/ title="jQuery Mobile">jQuery Mobile</a></li>
 <li class="project sizzlejs"><a href=https://sizzlejs.com/ title=Sizzle>Sizzle</a></li>
 <li class="project qunitjs"><a href=https://qunitjs.com/ title=QUnit>QUnit</a></li>
 </ul>
 <ul class=links>
 <li><a href=https://plugins.jquery.com/>Plugins</a></li>
 <li class=dropdown><a href=https://contribute.jquery.org/>Contribute</a>
 <ul class=sf-hidden>
 
 
 
 
 
 
 </ul>
 </li>
 <li class=dropdown><a href=https://events.jquery.org/>Events</a>
 <ul class="wide sf-hidden">
 </ul>
 </li>
 <li class=dropdown><a href=https://jquery.com/support/>Support</a>
 <ul class=sf-hidden>
 
 
 
 
 </ul>
 </li>
 <li class=dropdown><a href=https://openjsf.org/>OpenJS Foundation</a>
 <ul class=sf-hidden>
 
 
 
 
 
 
 </ul>
 </li>
 </ul>
 </div>
 </nav>
 </section>
</header>
<div id=container>
 <div id=logo-events class="constrain clearfix">
 <h2 class=logo><a href=https://jquery.com/ title=jQuery>jQuery</a></h2>
 <aside id=broadcast class=sf-hidden></aside>
 </div>
 <nav id=main class="constrain clearfix">
 <div class=menu-top-container>
 <button hidden id=menu-trigger class="button menu-trigger sf-hidden" aria-expanded=false aria-haspopup=menu>Navigation</button>
 <ul id=menu-top class=menu role=menu aria-labelledby=menu-trigger>
<li class=menu-item><a href=https://jquery.com/download/>Download</a></li>
<li class=menu-item><a href=https://api.jquery.com/>API Documentation</a></li>
<li class=menu-item><a href=https://blog.jquery.com/>Blog</a></li>
<li class=menu-item><a href=https://plugins.jquery.com/>Plugins</a></li>
<li class=menu-item><a href=https://jquery.com/browser-support/>Browser Support</a></li>
 </ul>
</div>
 <form role=search class="searchform tsmb-form tsmb-form--slash" action=https://jquery.com/ data-origin=https://typesense.jquery.com data-collection=jquery_com data-key=Zh8mMgohXECel9wjPwqT7lekLSG3OCgz data-foot=true data-group=true>
 <input type=search name=s aria-label="Search jQuery" value placeholder=Search autocomplete=off><div role=listbox hidden class=sf-hidden></div>
 <button type=submit class=visuallyhidden></button>
<svg viewBox="0 0 12 12" width=20 height=20 aria-hidden=true class=tsmb-icon-close style=display:none><path d="M9 3L3 9M3 3L9 9"></path></svg></form>
 </nav>
 <div id=content-wrapper class="clearfix row">
<div class="content-full full-width twelve columns">
 <div id=content>
 
 
<div id=banner-secondary class=row>
 <div class="downloads-box four columns push-eight">
 <div class=download-main>
 <a href=https://jquery.com/download/ class="button large">
 <span class=download></span>
 Download jQuery
 <span>v3.7.1</span>
 <span class=support-notice>The 1.x and 2.x branches no longer receive patches.</span>
 </a>
 <div class=download-options>
 <a href=https://github.com/jquery/jquery>View Source on GitHub →</a>
 <a href=https://learn.jquery.com/about-jquery/how-jquery-works/>How jQuery Works →</a>
 </div>
 </div>
 </div>
 <div class="features-box row eight columns pull-four">
 <div class="feature-box lightweight-footprint four columns center-txt">
 <div class=feature-box-image></div>
 <h3>Lightweight Footprint</h3>
 <p>Only 30kB minified and gzipped. Can also be included as an AMD module</p>
 </div>
 <div class="feature-box css3-compliant four columns center-txt">
 <div class=feature-box-image></div>
 <h3>CSS3 Compliant</h3>
 <p>Supports CSS3 selectors to find elements as well as in style property manipulation</p>
 </div>
 <div class="feature-box cross-browser four columns center-txt">
 <div class=feature-box-image></div>
 <h3>Cross-Browser</h3>
 <p><a href=https://jquery.com/browser-support/>Chrome, Edge, Firefox, IE, Safari, Android, iOS, and more</a></p>
 </div>
 </div>
</div>
<div id=home-content class="clearfix row">
 <section class="eight columns">
 <h2 class=block>What is jQuery?</h2>
 <p>jQuery is a fast, small, and feature-rich JavaScript library. It makes
 things like HTML document traversal and manipulation, event handling,
 animation, and Ajax much simpler with an easy-to-use API that works across
 a multitude of browsers. With a combination of versatility and
 extensibility, jQuery has changed the way that millions of people write
 JavaScript.</p>
 </section>
 <aside class="four columns">
 <h2 class=block>Resources</h2>
 <ul>
 <li><a href=https://api.jquery.com/>jQuery Core API Documentation</a></li>
 <li><a href=https://learn.jquery.com/>jQuery Learning Center</a></li>
 <li><a href=https://blog.jquery.com/>jQuery Blog</a></li>
 <li><a href=https://contribute.jquery.com/>Contribute to jQuery</a></li>
 <li><a href=https://github.com/jquery/jquery/issues>Browse or Submit jQuery Bugs</a></li>
 </ul>
 </aside>
</div>
<section>
 <h2 class=block>A Brief Look</h2>
 <h3>DOM Traversal and Manipulation</h3>
 <p>Get the <code>&lt;button&gt;</code> element with the class 'continue' and change its HTML to 'Next Step...'</p>
 <div class="syntaxhighlighter javascript">
 <table>
 <tbody>
 <tr>
 
 <td class=gutter>
 
 <div class="line n1">1</div>
 
 </td>
 
 <td class=code>
 <pre><div class=container><div class=line><code>$( <span class=hljs-string>"button.continue"</span> ).html( <span class=hljs-string>"Next Step..."</span> )</code></div></div></pre>
 </td>
 </tr>
 </tbody>
 </table>
</div>
 <h3>Event Handling</h3>
 <p>Show the <code>#banner-message</code> element that is hidden with
 <code>display:none</code> in its CSS when any button in <code>#button-container</code> is
 clicked.</p>
 <div class="syntaxhighlighter javascript">
 <table>
 <tbody>
 <tr>
 
 <td class=gutter>
 
 <div class="line n1">1</div>
 
 <div class="line n2">2</div>
 
 <div class="line n3">3</div>
 
 <div class="line n4">4</div>
 
 </td>
 
 <td class=code>
 <pre><div class=container><div class=line><code><span class=hljs-keyword>var</span> hiddenBox = $( <span class=hljs-string>"#banner-message"</span> );</code></div></div><div class=container><div class=line><code>$( <span class=hljs-string>"#button-container button"</span> ).on( <span class=hljs-string>"click"</span>, <span class=hljs-function><span class=hljs-keyword>function</span>(<span class=hljs-params> event </span>) </span>{</code></div></div><div class=container><div class=line><code>  hiddenBox.show();</code></div></div><div class=container><div class=line><code>});</code></div></div></pre>
 </td>
 </tr>
 </tbody>
 </table>
</div>
 <h3>Ajax</h3>
 <p>Call a local script on the server <code>/api/getWeather</code>
 with the query parameter <code>zipcode=97201</code>
 and replace the element <code>#weather-temp</code>'s html with the returned text.</p>
 <div class="syntaxhighlighter javascript">
 <table>
 <tbody>
 <tr>
 
 <td class=gutter>
 
 <div class="line n1">1</div>
 
 <div class="line n2">2</div>
 
 <div class="line n3">3</div>
 
 <div class="line n4">4</div>
 
 <div class="line n5">5</div>
 
 <div class="line n6">6</div>
 
 <div class="line n7">7</div>
 
 <div class="line n8">8</div>
 
 <div class="line n9">9</div>
 
 </td>
 
 <td class=code>
 <pre><div class=container><div class=line><code>$.ajax({</code></div></div><div class=container><div class=line><code>  <span class=hljs-attr>url</span>: <span class=hljs-string>"/api/getWeather"</span>,</code></div></div><div class=container><div class=line><code>  <span class=hljs-attr>data</span>: {</code></div></div><div class=container><div class=line><code>    <span class=hljs-attr>zipcode</span>: <span class=hljs-number>97201</span></code></div></div><div class=container><div class=line><code>  },</code></div></div><div class=container><div class=line><code>  <span class=hljs-attr>success</span>: <span class=hljs-function><span class=hljs-keyword>function</span>(<span class=hljs-params> result </span>) </span>{</code></div></div><div class=container><div class=line><code>    $( <span class=hljs-string>"#weather-temp"</span> ).html( <span class=hljs-string>"&lt;strong&gt;"</span> + result + <span class=hljs-string>"&lt;/strong&gt; degrees"</span> );</code></div></div><div class=container><div class=line><code>  }</code></div></div><div class=container><div class=line><code>});</code></div></div></pre>
 </td>
 </tr>
 </tbody>
 </table>
</div>
</section>
<section>
 <h2 class=block>Related Projects</h2>
 <h3><a href=https://jqueryui.com/>jQuery UI</a></h3>
 <p>This project is in maintenance-only mode. <a href=https://blog.jquery.com/2021/10/07/jquery-maintainers-update-and-transition-jquery-ui-as-part-of-overall-modernization-efforts/>Learn more</a>.</p>
 <h3><a href=https://jquerymobile.com/>jQuery Mobile</a></h3>
 <p>This project is deprecated. <a href=https://blog.jqueryui.com/2021/10/jquery-maintainers-continue-modernization-initiative-with-deprecation-of-jquery-mobile/>Learn more</a>.</p>
</section>	</div>
</div>
 </div>
</div>
<footer class="clearfix simple">
 <div class=constrain>
 <div class=row>
 <div class="six columns centered">
 <h3><span>Books</span></h3>
 <ul class=books>
 <li>
 <a href=https://www.packtpub.com/web-development/learning-jquery-fourth-edition>
 <img src="placeholder.png" alt="Learning jQuery 4th Edition by Karl Swedberg and Jonathan Chaffer" width=92 height=114 loading=lazy>
 Learning jQuery Fourth Edition
 <cite>Karl Swedberg and Jonathan Chaffer</cite>
 </a>
 </li>
 <li>
 <a href=https://www.manning.com/books/jquery-in-action-third-edition>
 <img src="placeholder.png" alt="jQuery in Action by Bear Bibeault, Yehuda Katz, and Aurelio De Rosa" width=92 height=114 loading=lazy>
 jQuery in Action
 <cite>Bear Bibeault, Yehuda Katz, and Aurelio De Rosa</cite>
 </a>
 </li>
 <li>
 <a href=https://www.syncfusion.com/ebooks/jquery>
 <img src="placeholder.png" alt="jQuery Succinctly by Cody Lindley" width=92 height=114 loading=lazy>
 jQuery Succinctly
 <cite>Cody Lindley</cite>
 </a>
 </li>
 </ul>
 </div>
 </div>
 
<div id=legal class=legal>
 <ul class=footer-site-links>
 <li><a class=icon-pencil href=https://learn.jquery.com/>Learning Center</a></li>
 <li><a class=icon-comments href=https://jquery.com/support/>Chat</a></li>
 <li><a class=icon-twitter href=https://twitter.com/jquery>Twitter</a></li>
 <li><a class=icon-github href=https://github.com/jquery>GitHub</a></li>
 </ul>
 <p class=copyright>
 Copyright 2024 <a href=https://openjsf.org/>OpenJS Foundation</a> and jQuery contributors. All rights reserved. See <a href=https://jquery.com/license/>jQuery License</a> for more information. The <a href=https://openjsf.org/>OpenJS Foundation</a> has registered trademarks and uses trademarks. For a list of trademarks of the <a href=https://openjsf.org/>OpenJS Foundation</a>, please see our <a href=https://trademark-policy.openjsf.org/>Trademark Policy</a> and <a href=https://trademark-list.openjsf.org/>Trademark List</a>. Trademarks and logos not indicated on the <a href=https://trademark-list.openjsf.org/>list of OpenJS Foundation trademarks</a> are trademarks™ or registered® trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them. OpenJS Foundation <a href=https://terms-of-use.openjsf.org/>Terms of Use</a>, <a href=https://privacy-policy.openjsf.org/>Privacy</a>, and <a href=https://www.linuxfoundation.org/cookies>Cookie</a> Policies also apply.
 </p>
 <p><a href=https://www.digitalocean.com/ class=do-link>Web hosting by Digital Ocean</a> | <a href=https://www.fastly.com/>CDN by Fastly</a> | <a href=https://wordpress.org/ class=wp-link>Powered by WordPress</a></p>
</div>
 </div>
</footer>