js determines the current way to open the browser-JS Tutorial-php.cn

js determines the current way to open the browser

小云云

Release： 2018-03-07 14:13:10

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Our same web page may be opened on PC or on different mobile terminals. If we want to open it on different devices and display different effects, we need to know how the browser is currently opened. The properties provided by the Navigator object can solve these problems. The Navigator object contains information about the browser.

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>浏览器</title>
</head>
<body>

</body>
<script>
  var browser = {
    versions: function () {
      var u = navigator.userAgent, app = navigator.appVersion;
      return {     //移动终端浏览器版本信息
        trident: u.indexOf(&#39;Trident&#39;) > -1, //IE内核
        presto: u.indexOf(&#39;Presto&#39;) > -1, //opera内核
        webKit: u.indexOf(&#39;AppleWebKit&#39;) > -1, //苹果、谷歌内核
        gecko: u.indexOf(&#39;Gecko&#39;) > -1 && u.indexOf(&#39;KHTML&#39;) == -1, //火狐内核
        mobile: !!u.match(/AppleWebKit.*Mobile.*/), //是否为移动终端
        ios: !!u.match(/\(i[^;]+;( U;)? CPU.+Mac OS X/), //ios终端
        android: u.indexOf(&#39;Android&#39;) > -1 || u.indexOf(&#39;Linux&#39;) > -1, //android终端或uc浏览器
        iPhone: u.indexOf(&#39;iPhone&#39;) > -1, //是否为iPhone或者QQHD浏览器
        iPad: u.indexOf(&#39;iPad&#39;) > -1, //是否iPad
        webApp: u.indexOf(&#39;Safari&#39;) == -1 //是否web应该程序，没有头部与底部
      };
    }(),
    language: (navigator.browserLanguage || navigator.language).toLowerCase()
  };
  if (browser.versions.mobile) {//判断是否是移动设备打开。browser代码在下面
    var ua = navigator.userAgent.toLowerCase();//获取判断用的对象
    // alert(&#39;是在移动端打开&#39;);
    if (ua.match(/MicroMessenger/i) == "micromessenger") {
      //在微信中打开
      alert(&#39;在微信中打开&#39;);
    }
    if (ua.match(/WeiBo/i) == "weibo") {
      在新浪微博客户端打开
    }
    if (ua.match(/QQ/i) == "qq") {
      //在QQ空间打开
      alert(&#39;在QQ打开的&#39;);
    }
    if (browser.versions.ios) {
      //是否在IOS浏览器打开
      alert(&#39;是在IOS浏览器打开&#39;);
    }
    if(browser.versions.android){
      //是否在安卓浏览器打开
      alert(&#39;是在安卓浏览器打开&#39;);
    }
  } else {
    //否则就是PC浏览器打开
    alert(&#39;是在pc端打开的&#39;);
  }
</script>
</html>

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