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When using "chrome_url_overrides" in the manifest.json of my addon to change the new tab page, is it possible to focus on an element in the page?

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My manifest is this:

   {
   	"manifest_version": 2,
   	"name": "Simple Startpage",
   	"version": "1.0",
   
   	"description": "My very simple start page",
   
   	"chrome_url_overrides": {
   		"newtab": "index.html"
   	}
   }

`index.html` is a normal HTML page that references an `index.js` which contains code something like this:

   window.onload = () => {document.getElementById("search").focus()}

However, when I open a new page, it focuses the address bar at the top instead of my element. Is there an approach I could take to this that would let me focus that element? Directly opening the file verifies that the focus() works.

My manifest is this: { "manifest_version": 2, "name": "Simple Startpage", "version": "1.0", "description": "My very simple start page", "chrome_url_overrides": { "newtab": "index.html" } } `index.html` is a normal HTML page that references an `index.js` which contains code something like this: window.onload = () => {document.getElementById("search").focus()} However, when I open a new page, it focuses the address bar at the top instead of my element. Is there an approach I could take to this that would let me focus that element? Directly opening the file verifies that the focus() works.

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