Question

php代码转js代码

<?php
$user_agent = $_SERVER['HTTP_USER_AGENT'];
if (strpos($user_agent, 'MicroMessenger') === false) {
// 非微信浏览器禁止浏览
echo "HTTP/1.1 401 Unauthorized";
} else {
// 微信浏览器，允许访问
echo "MicroMessenger";
// 获取版本号
preg_match('/.*?(MicroMessenger\/([0-9.]+))\s*/', $user_agent, $matches);
echo '<br>Version:'.$matches[2];
}

转成js

Answer 1

with(navigator){
	if(appName != 'MicroMessenger'){
		document.write('非微信浏览器');
	}else{
		document.write('MicroMessenger</br>'+appVersion);
	}

}