iframe getelementbyid
document.getElementById('myframe1').contentWindow.document.getElementById('x')iframe getelementbyid
document.getElementById('myframe1').contentWindow.document.getElementById('x')use javascript to control iframe elements
<iframe id="myIFrame" src="thispage.html"
width="100%" height="600"
frameBorder="2">
</iframe>
// Get the iframe
const iFrame = document.getElementById('myIFrame');
// Let's say that you want to access a button with the ID `'myButton'`,
// you can access via the following code:
const buttonInIFrame = iFrame.contentWindow.document.getElementById('myButton');
// If you need to call a function in the iframe, you can call it as follows:
iFrame.contentWindow.yourFunction();js set iframe src
<script type="text/javascript">
function iframeDidLoad() {
alert('Done');
}
function newSite() {
var sites = ['http://getprismatic.com',
'http://gizmodo.com/',
'http://lifehacker.com/']
document.getElementById('myIframe').src = sites[Math.floor(Math.random() * sites.length)];
}
</script>
<input type="button" value="Change site" onClick="newSite()" />
<iframe id="myIframe" src="http://getprismatic.com/" onLoad="iframeDidLoad();"></iframe>js set iframe code
var html_string= "content";
document.getElementById('output_iframe1').src = "data:text/html;charset=utf-8," + escape(html_string);Copyright © 2021 Codeinu
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