Iframe不起作用

Iframe dosent work

本文关键字：不起作用 Iframe      更新时间：2023-09-26

我有代码:

<iframe src="in1.html" width="400" height="300" id="f1">
<p>Your browser does not support iframes.</p>
</iframe>
<script>
var childFrame = document.getElementById("f1").contentWindow;
childFrame.document.body.style.backgroundColor = "yellow"
</script>

当我加载页面黄色显示，但然后白色背景加载。为什么?

您必须等待iframe加载....

iframe src="in1.html" width="400" height="300" id="f1">
<p>Your browser does not support iframes.</p>
</iframe>
<script>
    var childFrame = document.getElementById("f1");
    childFrame.onload = function() {
        var cWindow = childFrame.contentWindow;
        cWindow.document.body.style.backgroundColor = "yellow";
    }
</script>
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