Js控制iFrame切换加载网址

<html>
<head>
    <title>Js控制 iFrame 切换加载网址</title>
</head>
<body>
    <a href="javascript:jumpto('http://www.163.com')">网易</a> | <a href="javascript:jumpto('http://www.baidu.com)">
        百度搜索</a> | <a href="javascript:jumpto('http://www.skycn.com')">软件下载</a> |
    <script language="javascript">
<!--
        var displaymode = 0
        var iframecode = '<iframe id="external" style="95%;height:388px" src="http://www.codefans.net/jscss/"></iframe>'
        if (displaymode == 0)
            document.write(iframecode)

        function jumpto(inputurl) {
            if (document.getElementById && displaymode == 0)
                document.getElementById("external").src = inputurl
            else if (document.all && displaymode == 0)
                document.all.external.src = inputurl
            else {
                if (!window.win2 || win2.closed)
                    win2 = window.open(inputurl)
                else {
                    win2.location = inputurl
                    win2.focus()
                }
            }
        }
//-->
    </script>
</body>
</html>

gotoWin: function (strUrl) {//在框架中打开页面
                var a = document.createElement("a");
                a.setAttribute("href", strUrl);
                a.style.display = "none";
                a.setAttribute("target", "iframeOne");
                document.body.appendChild(a);
                if (document.all) {
                    a.click();
                }
                else {
                    var evt = document.createEvent("MouseEvents");
                    evt.initEvent("click", true, true);
                    a.dispatchEvent(evt);
                }
            },

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原文地址：https://www.cnblogs.com/elves/p/3598141.html