js判断是否是微信浏览器
<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>