38 lines
1.0 KiB
JavaScript
38 lines
1.0 KiB
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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const userAgent = navigator.userAgent // 取得浏览器的userAgent字符串
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const isIEFlag = isIE()
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const isIE11Flag = isIE11()
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const isEdgeFlag = isEdge()
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if (isIEFlag) {
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const reIE = new RegExp('MSIE (\\d+\\.\\d+);')
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reIE.test(userAgent)
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const 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 (isEdgeFlag) {
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return 'edge'
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} else if (isIE11Flag) {
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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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