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/* Taken from here: http://stackoverflow.com/a/17907562 */
function getInternetExplorerVersion(){
var ua,
re,
rv = -1;
// check for edge
var isEdge = /(?:\b(MS)?IE\s+|\bTrident\/7\.0;.*\s+rv:|\bEdge\/)(\d+)/.test(navigator.userAgent);
if ( isEdge ) {
rv = parseInt("12");
return rv;
}
var isIE11 = /Trident.*rv[ :]*11\./.test(navigator.userAgent);
if ( isIE11 ) {
rv = parseInt("11");
return rv;
}
if ( navigator.appName === "Microsoft Internet Explorer" ) {
ua = navigator.userAgent;
re = new RegExp("MSIE ([0-9]{1,}[\\.0-9]{0,})");
if ( re.exec(ua) !== null ) {
rv = parseFloat(RegExp.$1);
}
} else if ( navigator.appName === "Netscape" ) {
ua = navigator.userAgent;
re = new RegExp("Trident/.*rv:([0-9]{1,}[\\.0-9]{0,})");
if ( re.exec(ua) !== null ) {
rv = parseFloat(RegExp.$1);
}
}
return rv;
}
function showBrowserWarningIfRequired(){
var version = getInternetExplorerVersion();
console.log("Browser Version =" + version);
if ( version > 0 && version <= 11 ) {
d3.select("#browserCheck").classed("hidden", false);
d3.select("#killWarning").classed("hidden", true);
d3.select("#optionsArea").classed("hidden", true);
d3.select("#logo").classed("hidden", true);
}
if ( version == 12 ) {
d3.select("#logo").classed("hidden", false);
d3.select("#browserCheck").classed("hidden", false);
// connect the button;
var pb_kill = d3.select("#killWarning");
pb_kill.on("click", function (){
console.log("hide the warning please");
d3.select("#browserCheck").classed("hidden", true);
d3.select("#logo").style("padding", "10px");
});
}
else {
d3.select("#logo").classed("hidden", false);
d3.select("#browserCheck").classed("hidden", true);
}
}
module.exports = showBrowserWarningIfRequired;
showBrowserWarningIfRequired(); |