38 lines
1008 B
JavaScript
38 lines
1008 B
JavaScript
//判断是否IE<11浏览器
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export function isIE() {
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return navigator.userAgent.indexOf('compatible') > -1 && navigator.userAgent.indexOf('MSIE') > -1;
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}
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export function isIE11() {
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return navigator.userAgent.indexOf('Trident') > -1 && navigator.userAgent.indexOf('rv:11.0') > -1;
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}
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//判断是否IE的Edge浏览器
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export function isEdge() {
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return navigator.userAgent.indexOf('Edge') > -1 && !isIE();
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}
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export function getIEVersion() {
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let userAgent = navigator.userAgent; //取得浏览器的userAgent字符串
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let isIE = isIE();
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let isIE11 = isIE11();
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let isEdge = isEdge();
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if (isIE) {
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let reIE = new RegExp('MSIE (\\d+\\.\\d+);');
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reIE.test(userAgent);
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let fIEVersion = parseFloat(RegExp['$1']);
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if (fIEVersion === 7 || fIEVersion === 8 || fIEVersion === 9 || fIEVersion === 10) {
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return fIEVersion;
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} else {
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return 6; //IE版本<7
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}
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} else if (isEdge) {
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return 'edge';
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} else if (isIE11) {
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return 11;
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} else {
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return -1;
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}
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}
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