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<html lang="en"><head> <meta charset="UTF-8"> <title>JavaScript判断是否为微信浏览器或支付宝浏览器</title></head><body style="text-align: center;"> <h3>判断是否为微信浏览器或支付宝浏览器</h3> <h4 style="color: #4395FF;">可以用手机安装的微信和支付扫描测试</h4> <img src="../images/browser_alipay_wechat.png"> <script> if (/MicroMessenger/.test(window.navigator.userAgent)) { alert(‘微信客户端‘); } else if (/AlipayClient/.test(window.navigator.userAgent)) { alert(‘支付宝客户端‘); } else { alert(‘其他浏览器‘); } </script></body></html>原文：https://www.cnblogs.com/smokefish/p/14790015.html