js获取useragent以此更改链接

来源：互联网发布：ccw组态软件编辑：程序博客网时间：2024/06/06 19:49

js需要在a标签下面，以此获得a标签id

<!DOCTYPE html><html><head>    <title></title></head><body><a id="a" href="http://www.aliyun.com">click me!</a><script type="text/javascript">    function browserRedirect() {        var sUserAgent = navigator.userAgent.toLowerCase();        var bIsQu = sUserAgent.match(/android/i) == "android";        var a = document.getElementById('a');        if ((bIsQu)) {            a.setAttribute('href','http://www.baidu.com');        }    }    browserRedirect();          </script>   </body></html>

也可以用onclick来跳转

<!DOCTYPE html><html><head>    <title></title> <script type="text/javascript">    function browserRedirect() {//<a>标签        var sUserAgent = navigator.userAgent.toLowerCase();        var bIsQu = sUserAgent.match(/android/i) == "android";        var a = document.getElementById('a');        if ((bIsQu)) {            a.setAttribute('href','http://www.baidu.com');//替换原链接        }    }function btn(){//按钮    var sUserAgent = navigator.userAgent.toLowerCase();    var bIsQu = sUserAgent.match(/android/i) == "android";    if((bIsQu)) {        window.location.href="http://www.baidu.com";    }}</script></head><body><a id="a" href="http://www.aliyun.com" onclick="browserRedirect()">click me!</a><button type="button" onclick="btn()">click me!</button>    </body></html>

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