30 lines
820 B
JavaScript
30 lines
820 B
JavaScript
/**
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* detect IE
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* returns version of IE or false, if browser is not Internet Explorer
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*/
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var detectie = function() {
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var ua = window.navigator.userAgent;
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var msie = ua.indexOf('MSIE ');
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if (msie > 0) {
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// IE 10 or older => return version number
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return parseInt(ua.substring(msie + 5, ua.indexOf('.', msie)), 10);
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}
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var trident = ua.indexOf('Trident/');
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if (trident > 0) {
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// IE 11 => return version number
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var rv = ua.indexOf('rv:');
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return parseInt(ua.substring(rv + 3, ua.indexOf('.', rv)), 10);
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}
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var edge = ua.indexOf('Edge/');
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if (edge > 0) {
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// IE 12 => return version number
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return parseInt(ua.substring(edge + 5, ua.indexOf('.', edge)), 10);
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}
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// other browser
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return false;
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}
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module.exports = detectie; |