<!DOCTYPE HTML> <html lang="en"> <head> <meta charset="utf-8"/> <title>判断是否是微信内置浏览器</title> </head> <body> <h1>如果用微信浏览器打开可以看到下面的文字</h1> <p></p> </body> </html> <script type="text/javascript"> window.onload = function(){ if(isWeiXin()){ var p = document.getElementsByTagName('p'); p[0].innerHTML = window.navigator.userAgent; } } function isWeiXin(){ var ua = window.navigator.userAgent.toLowerCase(); if(ua.match(/MicroMessenger/i) == 'micromessenger'){ return true; }else{ return false; } } </script>