The example in this article describes how to modify the background color of an iframe page with JS. Share it with everyone for your reference. The details are as follows:
The following code demonstrates how to modify the web page background color of an embedded iframe through JS code in a web page
<!DOCTYPE html>
<html>
<head>
<script>
function changeStyle()
{
var x=document.getElementById("myframe");
var y=(x.contentWindow || x.contentDocument);
if (y.document)y=y.document;
y.body.style.backgroundColor="#0000ff";
}
</script>
</head>
<body>
<iframe id="myframe" src="demo_iframe.htm">
<p>Your browser does not support iframes.</p>
</iframe>
<br><br>
<input type="button" onclick="changeStyle()"
value="Change background color">
</body>
</html>I hope this article will be helpful to everyone’s JavaScript programming design.
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