js判斷是否移動端及瀏覽器內核

var browser = { versions: function() { var u = navigator.userAgent; return { trident: u.indexOf('Trident') > -1, //IE內核 presto: u.indexOf('Presto') > -1, //opera內核 webKit: u.indexOf('AppleWebKit') > -1, //蘋果、谷歌內核 gecko: u.indexOf('Firefox') > -1, //火狐內核Gecko mobile: !!u.match(/AppleWebKit.*Mobile.*/), //是否為移動終端 ios: !!u.match(/\(i[^;]+;( U;)? CPU.+Mac OS X/), //ios android: u.indexOf('Android') > -1 || u.indexOf('Linux') > -1, //android iPhone: u.indexOf('iPhone') > -1 , //iPhone iPad: u.indexOf('iPad') > -1, //iPad webApp: u.indexOf('Safari') > -1 //Safari }; } } if (browser.versions.mobile() || browser.versions.ios() || browser.versions.android() || browser.versions.iPhone() || browser.versions.iPad()) { alert('移動端'); }