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<!DOCTYPE html>
<html>

<head>
    <title>手机系统版本测试</title>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
</head>

<body>
</body>
<script type="text/javascript">
//手机端判断各个平台浏览器及操作系统平台
function checkPlatform() {

	var ua = navigator.userAgent.toLowerCase();
	console.log(ua);

    if (/android/i.test(navigator.userAgent)) {
    	var test = /android\s([\w.]+)/;//IE
		var match = test.exec(ua);
		console.log(match);
        document.write("This is Android "+ match[1] +" browser."); //这是Android平台下浏览器
		var version = match[1].split(".")[0];
		if(version < 5){
			alert('您的Android系统版本低于5.0!');
		}
    }
    if (/(iPhone|iPad|iPod|iOS)/i.test(navigator.userAgent)) {
    	var test = /os\s([\w_]+)/;//IE
		var match = test.exec(ua);
		var version = match[1].split("_")[0];

        document.write("This is iOS " + version + " browser."); //这是iOS平台下浏览器
    }
    if (/MicroMessenger/i.test(navigator.userAgent)) {
        document.write("This is MicroMessenger'browser."); //这是微信平台下浏览器
    }
}

window.onload = function() {
    checkPlatform();
}
</script>

</html>

 

本文标签: 系统版本号版本手机js