js判断当前页面是PC端还是手机端访问？

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执行当前js，可判断当前是PC端还是手机端访问

<script type="text/javascript">
	function IsPC() {
	   var userAgentInfo = navigator.userAgent;
	   var Agents = ["Android", "iPhone",
	       "SymbianOS", "Windows Phone",
	        "iPad", "iPod"];
	    var flag = true;
	    for (var v = 0; v < Agents.length; v++) {
	        if (userAgentInfo.indexOf(Agents[v]) > 0) {
	             flag = false;
	             break;
	         }
	     }
	     return flag;
	}
	if(IsPC()) {
	    console.log('是pc')
	} else {
	    console.log('是手机')
	}
</script>