6c637641
 wxy
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//判断是否IE<11浏览器
export function isIE() {
return navigator.userAgent.indexOf('compatible') > -1 && navigator.userAgent.indexOf('MSIE') > -1
}
export function isIE11() {
return navigator.userAgent.indexOf('Trident') > -1 && navigator.userAgent.indexOf('rv:11.0') > -1
}
//判断是否IE的Edge浏览器
export function isEdge() {
return navigator.userAgent.indexOf('Edge') > -1 && !isIE()
}
export function getIEVersion() {
let userAgent = navigator.userAgent //取得浏览器的userAgent字符串
let isIE = isIE()
let isIE11 = isIE11()
let isEdge = isEdge()
if (isIE) {
let reIE = new RegExp('MSIE (\\d+\\.\\d+);')
reIE.test(userAgent)
let fIEVersion = parseFloat(RegExp['$1'])
if (fIEVersion === 7 || fIEVersion === 8 || fIEVersion === 9 || fIEVersion === 10) {
return fIEVersion
} else {
return 6//IE版本<7
}
} else if (isEdge) {
return 'edge'
} else if (isIE11) {
return 11
} else {
return -1
}
}
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