apply css to iframe elements code example

Example 1: put html in iframe

<iframe srcdoc="<html><body>Hello, <b>world</b>.</body></html>"></iframe>

Example 2: 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();

Tags:

Javascript Example

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