js 获取浏览器信息

getExplorerInfo：获取浏览器信息

function getExplorerInfo() { let t = navigator.userAgent.toLowerCase(); return 0 <= t.indexOf(“msie”) ? { //ie < 11 type: “IE”, version: Number(t.match(/msie ([\d]+)/)[1]) } : !!t.match(/trident/.+?rv:(([\d.]+))/) ? { // ie 11 type: “IE”, version: 11 } : 0 <= t.indexOf(“edge”) ? { type: “Edge”, version: Number(t.match(/edge/([\d]+)/)[1]) } : 0 <= t.indexOf(“firefox”) ? { type: “Firefox”, version: Number(t.match(/firefox/([\d]+)/)[1]) } : 0 <= t.indexOf(“chrome”) ? { type: “Chrome”, version: Number(t.match(/chrome/([\d]+)/)[1]) } : 0 <= t.indexOf(“opera”) ? { type: “Opera”, version: Number(t.match(/opera.([\d]+)/)[1]) } : 0 <= t.indexOf(“Safari”) ? { type: “Safari”, version: Number(t.match(/version/([\d]+)/)[1]) } : { type: t, version: -1 } }