source stringlengths 14 113 | code stringlengths 10 21.3k |
|---|---|
application-dev\reference\apis-arkts\js-apis-buffer.md | import { buffer } from '@kit.ArkTS';
let buf = buffer.allocUninitializedFromPool(4);
let result = buf.writeUInt16BE(0xdead, 0);
console.info("result = " + result);
// Output: result = 2
let result1 = buf.writeUInt16BE(0xbeef, 2);
console.info("result1 = " + result1);
// Output: result1 = 4 |
application-dev\reference\apis-arkts\js-apis-buffer.md | import { buffer } from '@kit.ArkTS';
let buf = buffer.allocUninitializedFromPool(4);
let result = buf.writeUInt16LE(0xdead, 0);
console.info("result = " + result);
// Output: result = 2
let result1 = buf.writeUInt16LE(0xbeef, 2);
console.info("result1 = " + result1);
// Output: result1 = 4 |
application-dev\reference\apis-arkts\js-apis-buffer.md | import { buffer } from '@kit.ArkTS';
let buf = buffer.allocUninitializedFromPool(4);
let result = buf.writeUInt32BE(0xfeedface, 0);
console.info("result = " + result);
// Output: result = 4 |
application-dev\reference\apis-arkts\js-apis-buffer.md | import { buffer } from '@kit.ArkTS';
let buf = buffer.allocUninitializedFromPool(4);
let result = buf.writeUInt32LE(0xfeedface, 0);
console.info("result = " + result);
// Output: result = 4 |
application-dev\reference\apis-arkts\js-apis-buffer.md | import { buffer } from '@kit.ArkTS';
let buf = buffer.allocUninitializedFromPool(6);
let result = buf.writeUIntBE(0x1234567890ab, 0, 6);
console.info("result = " + result);
// Output: result = 6 |
application-dev\reference\apis-arkts\js-apis-buffer.md | import { buffer } from '@kit.ArkTS';
let buf = buffer.allocUninitializedFromPool(6);
let result = buf.writeUIntLE(0x1234567890ab, 0, 6);
console.info("result = " + result);
// Output: result = 6 |
application-dev\reference\apis-arkts\js-apis-buffer.md | import { buffer } from '@kit.ArkTS';
let blob: buffer.Blob = new buffer.Blob(['a', 'b', 'c']);
class option {
endings: string = "";
type: string = "";
}
let o1: option = {endings:'native', type: 'MIME'}
let blob1: buffer.Blob = new buffer.Blob(['a', 'b', 'c'], o1); |
application-dev\reference\apis-arkts\js-apis-buffer.md | import { buffer } from '@kit.ArkTS';
let blob: buffer.Blob = new buffer.Blob(['a', 'b', 'c']);
let pro = blob.arrayBuffer();
pro.then((val: ArrayBuffer) => {
let uint8Array: Uint8Array = new Uint8Array(val);
console.info(uint8Array.toString());
// Output: 97,98,99
}); |
application-dev\reference\apis-arkts\js-apis-buffer.md | import { buffer } from '@kit.ArkTS';
let blob: buffer.Blob = new buffer.Blob(['a', 'b', 'c']);
let blob2 = blob.slice(0, 2);
let blob3 = blob.slice(0, 2, "MIME");
console.info("type:", blob3.type); // type: MIME |
application-dev\reference\apis-arkts\js-apis-buffer.md | import { buffer } from '@kit.ArkTS';
let blob: buffer.Blob = new buffer.Blob(['a', 'b', 'c']);
let pro = blob.text();
pro.then((val: string) => {
console.info(val);
// Output: abc
}); |
application-dev\reference\apis-arkts\js-apis-convertxml.md | import { convertxml } from '@kit.ArkTS'; |
application-dev\reference\apis-arkts\js-apis-convertxml.md | try {
let xml =
'<?xml version="1.0" encoding="utf-8"?>' +
'<note importance="high" logged="true">' +
' <title>Hello\r\nWorld</title>' +
' <todo><![CDATA[Work\r\n]]></todo>' +
'</note>';
let conv = new convertxml.ConvertXML();
let options: convertxml.ConvertOptions = {
trim: false, dec... |
application-dev\reference\apis-arkts\js-apis-convertxml.md | try {
let xml =
'<?xml version="1.0" encoding="utf-8"?>' +
'<note importance="high" logged="true">' +
' <title>Happy</title>' +
' <todo>Work</todo>' +
' <todo>Play</todo>' +
'</note>';
let conv = new convertxml.ConvertXML();
let options: convertxml.ConvertOptions = {
... |
application-dev\reference\apis-arkts\js-apis-convertxml.md | let xml =
'<?xml version="1.0" encoding="utf-8"?>' +
'<note importance="high" logged="true">' +
' <title>Happy</title>' +
' <todo>Work</todo>' +
' <todo>Play</todo>' +
'</note>';
let conv = new convertxml.ConvertXML();
let options: convertxml.ConvertOptions = {trim : false, declarationKey... |
application-dev\reference\apis-arkts\js-apis-deque.md | import { Deque } from '@kit.ArkTS'; |
application-dev\reference\apis-arkts\js-apis-deque.md | let deque: Deque<string | number | boolean | Object> = new Deque(); |
application-dev\reference\apis-arkts\js-apis-deque.md | class C1 {
name: string = ""
age: string = ""
}
let deque: Deque<string | number | boolean | Array<number> | C1> = new Deque();
deque.insertFront("a");
deque.insertFront(1);
let b = [1, 2, 3];
deque.insertFront(b);
let c: C1 = {name : "Dylan", age : "13"};
deque.insertFront(c);
deque.insertFront(false); |
application-dev\reference\apis-arkts\js-apis-deque.md | class C1 {
name: string = ""
age: string = ""
}
let deque: Deque<string | number | boolean | Array<number> | C1> = new Deque();
deque.insertEnd("a");
deque.insertEnd(1);
let b = [1, 2, 3];
deque.insertEnd(b);
let c: C1 = {name : "Dylan", age : "13"};
deque.insertEnd(c);
deque.insertEnd(false); |
application-dev\reference\apis-arkts\js-apis-deque.md | let deque: Deque<string> = new Deque();
deque.insertFront("squirrel");
let result = deque.has("squirrel"); |
application-dev\reference\apis-arkts\js-apis-deque.md | let deque: Deque<number> = new Deque();
deque.insertFront(2);
deque.insertFront(4);
deque.insertEnd(5);
deque.insertFront(2);
deque.insertFront(4);
let result = deque.popFirst(); |
application-dev\reference\apis-arkts\js-apis-deque.md | let deque: Deque<number> = new Deque();
deque.insertFront(2);
deque.insertEnd(4);
deque.insertFront(5);
deque.insertFront(2);
deque.insertFront(4);
let result = deque.popLast(); |
application-dev\reference\apis-arkts\js-apis-deque.md | let deque: Deque<number> = new Deque();
deque.insertFront(2);
deque.insertEnd(4);
deque.insertFront(5);
deque.insertEnd(4);
deque.forEach((value: number, index?: number | undefined, deque?: Deque<number> | undefined):void => {
console.log("value:" + value, "index:" + index);
}); |
application-dev\reference\apis-arkts\js-apis-deque.md | let deque: Deque<number> = new Deque();
deque.insertEnd(2);
deque.insertEnd(4);
deque.insertFront(5);
deque.insertFront(4);
let result = deque.getFirst(); |
application-dev\reference\apis-arkts\js-apis-deque.md | let deque: Deque<number> = new Deque();
deque.insertFront(2);
deque.insertFront(4);
deque.insertFront(5);
deque.insertFront(4);
let result = deque.getLast(); |
application-dev\reference\apis-arkts\js-apis-deque.md | let deque: Deque<number> = new Deque();
deque.insertFront(2);
deque.insertFront(4);
deque.insertFront(5);
deque.insertFront(4);
// Method 1:
let nums: Array<number> = Array.from(deque);
for (let item of nums) {
console.log("value:" + item);
}
// Method 2:
let iter = deque[Symbol.iterator]();
let temp:IteratorResult... |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS'; |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let buf1 = fastbuffer.alloc(5);
let buf2 = fastbuffer.alloc(5, 'a');
let buf3 = fastbuffer.alloc(11, 'aGVsbG8gd29ybGQ=', 'base64');
console.info(buf2.toString());
// Output: aaaaa
console.info(buf3.toString());
// Output: hello world |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let buf = fastbuffer.allocUninitializedFromPool(10);
buf.fill(0);
// "buf":[0, 0, 0, 0, 0, 0, 0, 0, 0, 0] |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let buf = fastbuffer.allocUninitialized(10);
buf.fill(0);
// "buf":[0, 0, 0, 0, 0, 0, 0, 0, 0, 0] |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let str = '\u00bd + \u00bc = \u00be';
console.info(`${str}: ${str.length} characters, ${fastbuffer.byteLength(str, 'utf-8')} bytes`);
// Output: ½ + ¼ = ¾: 9 characters, 12 bytes |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let buf1 = fastbuffer.from('1234');
let buf2 = fastbuffer.from('0123');
let res = fastbuffer.compare(buf1, buf2);
console.info(Number(res).toString());
// Output: 1 |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let buf1 = fastbuffer.from("1234");
let buf2 = fastbuffer.from("abcd");
let buf = fastbuffer.concat([buf1, buf2]);
console.info(buf.toString('hex'));
// Output: 3132333461626364 |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let buf = fastbuffer.from([0x62, 0x75, 0x66, 0x66, 0x65, 0x72]);
console.info(buf.toString('hex'));
// Output: 627566666572 |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let ab = new ArrayBuffer(10);
let buf = fastbuffer.from(ab, 0, 2);
console.info(buf.length.toString());
// Output: 2 |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
// Create a FastBuffer object of the FastBuffer type.
let buf1 = fastbuffer.from('buffer');
let buf2 = fastbuffer.from(buf1);
console.info(buf2.toString());
// Output: buffer
// Create a FastBuffer object of the Uint8Array type to ensure memory sharing between objects.
let uin... |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let buf1 = fastbuffer.from('this is a test');
let buf2 = fastbuffer.from('7468697320697320612074c3a97374', 'hex');
console.info(buf1.toString());
// Output: this is a test
console.info(buf2.toString());
// Output: this is a tést |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let result = fastbuffer.isBuffer(fastbuffer.alloc(10)); // 10: fastbuffer size
console.info("result = " + result);
// Output: result = true
let result1 = fastbuffer.isBuffer(fastbuffer.from('foo'));
console.info("result1 = " + result1);
// Output: result1 = true
let result2 = f... |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
console.info(fastbuffer.isEncoding('utf-8').toString());
// Output: true
console.info(fastbuffer.isEncoding('hex').toString());
// Output: true
console.info(fastbuffer.isEncoding('utf/8').toString());
// Output: false
console.info(fastbuffer.isEncoding('').toString());
// Outpu... |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let newBuf = fastbuffer.transcode(fastbuffer.from('buffer'), 'utf-8', 'ascii');
console.info("newBuf = " + newBuf.toString('ascii'));
// Output: newBuf = buffer |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let buf = fastbuffer.from("1236");
console.info(JSON.stringify(buf.length));
// Output: 4
let arrayBuffer = buf.buffer;
console.info(JSON.stringify(new Uint8Array(arrayBuffer)));
// Output: {"0":49,"1":50,"2":51,"3":54}
console.info(JSON.stringify(buf.byteOffset));
// Output: 0 |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let buf1 = fastbuffer.from([1, 2, 3, 4, 5, 6, 7, 8, 9]);
let buf2 = fastbuffer.from([5, 6, 7, 8, 9, 1, 2, 3, 4]);
console.info(buf1.compare(buf2, 5, 9, 0, 4).toString());
// Output: 0
console.info(buf1.compare(buf2, 0, 6, 4).toString());
// Output: -1
console.info(buf1.compare... |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let buf1 = fastbuffer.allocUninitializedFromPool(26);
let buf2 = fastbuffer.allocUninitializedFromPool(26).fill('!');
for (let i = 0; i < 26; i++) {
buf1.writeInt8(i + 97, i);
}
buf1.copy(buf2, 8, 16, 20);
console.info(buf2.toString('ascii', 0, 25));
// Output: !!!!!!!!qrst... |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let buf = fastbuffer.from('buffer');
let pair = buf.entries();
let next: IteratorResult<Object[]> = pair.next();
while (!next.done) {
console.info("fastbuffer: " + next.value);
/*
Output: buffer: 0,98
fastbuffer: 1,117
fastbuffer: 2,102
fa... |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let buf1 = fastbuffer.from('ABC');
let buf2 = fastbuffer.from('414243', 'hex');
let buf3 = fastbuffer.from('ABCD');
console.info(buf1.equals(buf2).toString());
// Output: true
console.info(buf1.equals(buf3).toString());
// Output: false |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let b = fastbuffer.allocUninitializedFromPool(50).fill('h');
console.info(b.toString());
// Output: hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let buf = fastbuffer.from('this is a buffer');
console.info(buf.includes('this').toString());
// Output: true
console.info(buf.includes('be').toString());
// Output: false |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let buf = fastbuffer.from('this is a buffer');
console.info(buf.indexOf('this').toString());
// Output: 0
console.info(buf.indexOf('is').toString());
// Output: 2 |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let buf = fastbuffer.from('buffer');
let numbers = Array.from(buf.keys());
for (const key of numbers) {
console.info(key.toString());
/*
Output: 0
1
2
3
4
5
*/
} |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let buf1 = fastbuffer.from('buffer');
let pair = buf1.values()
let next:IteratorResult<number> = pair.next()
while (!next.done) {
console.info(next.value.toString());
/*
Output: 98
117
102
102
101
114
*/
next = pa... |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let buf = fastbuffer.from('this buffer is a buffer');
console.info(buf.lastIndexOf('this').toString());
// Output: 0
console.info(buf.lastIndexOf('buffer').toString());
// Output: 17 |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let buf = fastbuffer.from([0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x70,
0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78]);
console.info(buf.readBigInt64BE(0).toString());
// Output: 7161960797921896816
let buf1 = fastbuffer.allocUninitializedFromPool(8);
let result = buf1.... |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let buf = fastbuffer.from([0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x70,
0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78]);
console.info(buf.readBigInt64LE(0).toString());
// Output: 8100120198111388771
let buf1 = fastbuffer.allocUninitializedFromPool(8);
let result = buf1.... |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let buf = fastbuffer.from([0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x70,
0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78]);
console.info(buf.readBigUInt64BE(0).toString());
// Output: 7161960797921896816
let buf1 = fastbuffer.allocUninitializedFromPool(8);
let result = buf1.... |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let buf = fastbuffer.from([0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x70,
0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78]);
console.info(buf.readBigUInt64LE(0).toString());
// Output: 8100120198111388771
let buf1 = fastbuffer.allocUninitializedFromPool(8);
let result = buf1... |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let buf = fastbuffer.from([1, 2, 3, 4, 5, 6, 7, 8]);
console.info(buf.readDoubleBE(0).toString());
// Output: 8.20788039913184e-304
let buf1 = fastbuffer.allocUninitializedFromPool(8);
let result = buf1.writeDoubleBE(123.456, 0);
console.info("result = " + result);
// Output: r... |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let buf = fastbuffer.from([1, 2, 3, 4, 5, 6, 7, 8]);
console.info(buf.readDoubleLE(0).toString());
// Output: 5.447603722011605e-270
let buf1 = fastbuffer.allocUninitializedFromPool(8);
let result = buf1.writeDoubleLE(123.456, 0);
console.info("result = " + result);
// Output: ... |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let buf = fastbuffer.from([1, 2, 3, 4, 5, 6, 7, 8]);
console.info(buf.readFloatBE(0).toString());
// Output: 2.387939260590663e-38
let buf1 = fastbuffer.allocUninitializedFromPool(4);
let result = buf1.writeFloatBE(0xcabcbcbc, 0);
console.info("result = " + result);
// Output: ... |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let buf = fastbuffer.from([1, 2, 3, 4, 5, 6, 7, 8]);
console.info(buf.readFloatLE(0).toString());
// Output: 1.539989614439558e-36
let buf1 = fastbuffer.allocUninitializedFromPool(4);
let result = buf1.writeFloatLE(0xcabcbcbc, 0);
console.info("result = " + result);
// Output: ... |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let buf = fastbuffer.from([-1, 5]);
console.info(buf.readInt8(0).toString());
// Output: -1
console.info(buf.readInt8(1).toString());
// Output: 5
let buf1 = fastbuffer.allocUninitializedFromPool(2);
let result = buf1.writeInt8(0x12);
console.info("result = " + result);
// Outp... |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let buf = fastbuffer.from([0, 5]);
console.info(buf.readInt16BE(0).toString());
// Output: 5
let buf1 = fastbuffer.alloc(2);
let result = buf1.writeInt16BE(0x1234, 0);
console.info("result = " + result);
// Output: result = 2 |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let buf = fastbuffer.from([0, 5]);
console.info(buf.readInt16LE(0).toString());
// Output: 1280
let buf1 = fastbuffer.alloc(2);
let result = buf1.writeInt16BE(0x1234, 0);
console.info("result = " + result);
// Output: result = 2 |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let buf = fastbuffer.from([0, 0, 0, 5]);
console.info(buf.readInt32BE(0).toString());
// Output: 5
let buf1 = fastbuffer.alloc(4);
let result = buf1.writeInt32BE(0x12345678, 0);
console.info("result = " + result);
// Output: result = 4 |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let buf = fastbuffer.from([0, 0, 0, 5]);
console.info(buf.readInt32LE(0).toString());
// Output: 83886080
let buf1 = fastbuffer.alloc(4);
let result = buf1.writeInt32BE(0x12345678, 0);
console.info("result = " + result);
// Output: result = 4 |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let buf = fastbuffer.from("ab");
let num = buf.readIntBE(0, 1);
console.info(num.toString());
// Output: 97
let buf1 = fastbuffer.allocUninitializedFromPool(6);
let result = buf1.writeIntBE(0x123456789011, 0, 6);
console.info("result = " + result);
// Output: result = 6 |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let buf = fastbuffer.from([0x12, 0x34, 0x56, 0x78, 0x90, 0xab]);
console.info(buf.readIntLE(0, 6).toString(16));
// Output: -546f87a9cbee
let buf1 = fastbuffer.allocUninitializedFromPool(6);
let result = buf1.writeIntLE(0x123456789011, 0, 6);
console.info("result = " + result);... |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let buf = fastbuffer.from([1, -2]);
console.info(buf.readUInt8(0).toString());
// Output: 1
console.info(buf.readUInt8(1).toString());
// Output: 254
let buf1 = fastbuffer.allocUninitializedFromPool(4);
let result = buf1.writeUInt8(0x42);
console.info("result = " + result);
// ... |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let buf = fastbuffer.from([0x12, 0x34, 0x56]);
console.info(buf.readUInt16BE(0).toString(16));
// Output: 1234
console.info(buf.readUInt16BE(1).toString(16));
// Output: 3456
let buf1 = fastbuffer.allocUninitializedFromPool(4);
let result = buf1.writeUInt16BE(0x1234, 0);
consol... |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let buf = fastbuffer.from([0x12, 0x34, 0x56]);
console.info(buf.readUInt16LE(0).toString(16));
// Output: 3412
console.info(buf.readUInt16LE(1).toString(16));
// Output: 5634
let buf1 = fastbuffer.allocUninitializedFromPool(4);
let result = buf1.writeUInt16LE(0x1234, 0);
consol... |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let buf = fastbuffer.from([0x12, 0x34, 0x56, 0x78]);
console.info(buf.readUInt32BE(0).toString(16));
// Output: 12345678
let buf1 = fastbuffer.allocUninitializedFromPool(4);
let result = buf1.writeUInt32BE(0x12345678, 0);
console.info("result = " + result);
// Output: result = ... |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let buf = fastbuffer.from([0x12, 0x34, 0x56, 0x78]);
console.info(buf.readUInt32LE(0).toString(16));
// Output: 78563412
let buf1 = fastbuffer.allocUninitializedFromPool(4);
let result = buf1.writeUInt32LE(0x12345678, 0);
console.info("result = " + result);
// Output: result = ... |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let buf = fastbuffer.from([0x12, 0x34, 0x56, 0x78, 0x90, 0xab]);
console.info(buf.readUIntBE(0, 6).toString(16));
// Output: 1234567890ab
let buf1 = fastbuffer.allocUninitializedFromPool(4);
let result = buf1.writeUIntBE(0x13141516, 0, 4);
console.info("result = " + result);
//... |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let buf = fastbuffer.from([0x12, 0x34, 0x56, 0x78, 0x90, 0xab]);
console.info(buf.readUIntLE(0, 6).toString(16));
// Output: ab9078563412
let buf1 = fastbuffer.allocUninitializedFromPool(4);
let result = buf1.writeUIntLE(0x13141516, 0, 4);
console.info("result = " + result);
//... |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let buf1 = fastbuffer.allocUninitializedFromPool(26);
for (let i = 0; i < 26; i++) {
buf1.writeInt8(i + 97, i);
}
const buf2 = buf1.subarray(0, 3);
console.info(buf2.toString('ascii', 0, buf2.length));
// Output: abc |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let buf1 = fastbuffer.from([0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8]);
console.info(buf1.toString('hex'));
// Output: 0102030405060708
buf1.swap16();
console.info(buf1.toString('hex'));
// Output: 0201040306050807 |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let buf1 = fastbuffer.from([0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8]);
console.info(buf1.toString('hex'));
// Output: 0102030405060708
buf1.swap32();
console.info(buf1.toString('hex'));
// Output: 0403020108070605 |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let buf1 = fastbuffer.from([0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8]);
console.info(buf1.toString('hex'));
// Output: 0102030405060708
buf1.swap64();
console.info(buf1.toString('hex'));
// Output: 0807060504030201 |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let buf1 = fastbuffer.from([0x1, 0x2, 0x3, 0x4, 0x5]);
let obj = buf1.toJSON();
console.info(JSON.stringify(obj));
// Output: {"type":"FastBuffer","data":[1,2,3,4,5]} |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let buf1 = fastbuffer.allocUninitializedFromPool(26);
for (let i = 0; i < 26; i++) {
buf1.writeInt8(i + 97, i);
}
console.info(buf1.toString('utf-8'));
// Output: abcdefghijklmnopqrstuvwxyz |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let buf = fastbuffer.alloc(256);
let len = buf.write('\u00bd + \u00bc = \u00be', 0);
console.info(`${len} bytes: ${buf.toString('utf-8', 0, len)}`);
// Output: 12 bytes: ½ + ¼ = ¾
let buffer1 = fastbuffer.alloc(10);
let length = buffer1.write('abcd', 8);
console.info("length =... |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let buf = fastbuffer.allocUninitializedFromPool(8);
let result = buf.writeBigInt64BE(BigInt(0x0102030405060708), 0);
console.info("result = " + result);
// Output: result = 8 |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let buf = fastbuffer.allocUninitializedFromPool(8);
let result = buf.writeBigInt64LE(BigInt(0x0102030405060708), 0);
console.info("result = " + result);
// Output: result = 8 |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let buf = fastbuffer.allocUninitializedFromPool(8);
let result = buf.writeBigUInt64BE(BigInt(0xdecafafecacefade), 0);
console.info("result = " + result);
// Output: result = 8 |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let buf = fastbuffer.allocUninitializedFromPool(8);
let result = buf.writeBigUInt64LE(BigInt(0xdecafafecacefade), 0);
console.info("result = " + result);
// Output: result = 8 |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let buf = fastbuffer.allocUninitializedFromPool(8);
let result = buf.writeDoubleBE(123.456, 0);
console.info("result = " + result);
// Output: result = 8 |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let buf = fastbuffer.allocUninitializedFromPool(8);
let result = buf.writeDoubleLE(123.456, 0);
console.info("result = " + result);
// Output: result = 8 |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let buf = fastbuffer.allocUninitializedFromPool(8);
let result = buf.writeFloatBE(0xcafebabe, 0);
console.info("result = " + result);
// Output: result = 4 |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let buf = fastbuffer.allocUninitializedFromPool(8);
let result = buf.writeFloatLE(0xcafebabe, 0);
console.info("result = " + result);
// Output: result = 4 |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let buf = fastbuffer.allocUninitializedFromPool(2);
let result = buf.writeInt8(2, 0);
console.info("result = " + result);
// Output: result = 1
let result1 = buf.writeInt8(-2, 1);
console.info("result1 = " + result1);
// Output: result1 = 2 |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let buf = fastbuffer.allocUninitializedFromPool(2);
let result = buf.writeInt16BE(0x0102, 0);
console.info("result = " + result);
// Output: result = 2 |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let buf = fastbuffer.allocUninitializedFromPool(2);
let result = buf.writeInt16LE(0x0304, 0);
console.info("result = " + result);
// Output: result = 2 |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let buf = fastbuffer.allocUninitializedFromPool(4);
let result = buf.writeInt32BE(0x01020304, 0);
console.info("result = " + result);
// Output: result = 4 |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let buf = fastbuffer.allocUninitializedFromPool(4);
let result = buf.writeInt32LE(0x05060708, 0);
console.info("result = " + result);
// Output: result = 4 |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let buf = fastbuffer.allocUninitializedFromPool(6);
let result = buf.writeIntBE(0x1234567890ab, 0, 6);
console.info("result = " + result);
// Output: result = 6 |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let buf = fastbuffer.allocUninitializedFromPool(6);
let result = buf.writeIntLE(0x1234567890ab, 0, 6);
console.info("result = " + result);
// Output: result = 6 |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let buf = fastbuffer.allocUninitializedFromPool(4);
let result = buf.writeUInt8(0x3, 0);
console.info("result = " + result);
// Output: result = 1
let result1 = buf.writeUInt8(0x4, 1);
console.info("result1 = " + result1);
// Output: result1 = 2
let result2 = buf.writeUInt8(0x2... |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let buf = fastbuffer.allocUninitializedFromPool(4);
let result = buf.writeUInt16BE(0xdead, 0);
console.info("result = " + result);
// Output: result = 2
let result1 = buf.writeUInt16BE(0xbeef, 2);
console.info("result1 = " + result1);
// Output: result1 = 4 |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let buf = fastbuffer.allocUninitializedFromPool(4);
let result = buf.writeUInt16LE(0xdead, 0);
console.info("result = " + result);
// Output: result = 2
let result1 = buf.writeUInt16LE(0xbeef, 2);
console.info("result1 = " + result1);
// Output: result1 = 4 |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let buf = fastbuffer.allocUninitializedFromPool(4);
let result = buf.writeUInt32BE(0xfeedface, 0);
console.info("result = " + result);
// Output: result = 4 |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let buf = fastbuffer.allocUninitializedFromPool(4);
let result = buf.writeUInt32LE(0xfeedface, 0);
console.info("result = " + result);
// Output: result = 4 |
application-dev\reference\apis-arkts\js-apis-fastbuffer.md | import { fastbuffer } from '@kit.ArkTS';
let buf = fastbuffer.allocUninitializedFromPool(6);
let result = buf.writeUIntBE(0x1234567890ab, 0, 6);
console.info("result = " + result);
// Output: result = 6 |
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