How to run javascript on an iframe page?

@darrion.kuhn 

To run JavaScript on an iframe page, you can access the content of the iframe document and manipulate it using JavaScript. Here are the steps to run JavaScript on an iframe page:

1. Get a reference to the iframe element using JavaScript:

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var iframe = document.getElementById('your-iframe-id');

1. Access the document object of the iframe element:

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var iframeDocument = iframe.contentWindow.document;

1. Now you can run JavaScript code on the iframe page by accessing the DOM elements of the iframe document:

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// Example: Change the color of a paragraph in the iframe
var paragraph = iframeDocument.getElementById('your-paragraph-id');
paragraph.style.color = 'red';

1. You can also attach event listeners or execute functions on the iframe document:

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// Example: Execute a function on the iframe page
function greet() {
  alert('Hello from the iframe page!');
}

iframeDocument.greet();

By following these steps, you can effectively run JavaScript on an iframe page.