Is there a JavaScript / jQuery DOM change listener?

Essentially I want to have a script execute when the contents of a&nbsp;<code>DIV</code>&nbsp;change. Since the scripts are separate (content script in the Chrome extension &amp; webpage script), I need a way simply observe changes in DOM state. I could set up polling but that seems sloppy.

Essentially I want to have a script execute when the contents of a DIV change. Since the scripts are separate (content script in the Chrome extension & webpage script), I need a way simply observe changes in DOM state. I could set up polling but that seems sloppy.

There are two functions to deal with an array on the client-side – JavaScript's .forEach() and jQuery's .each(). Here, I will teach you how to use both of these methods with some sample code.

When should you use jQuery instead of vanilla JavaScript? Is jQuery still relevant? What is jQuery good for? jQuery vs vanilla JavaScript - Beau teaches JavaScript

Ubiquitous jQuery has been outmoded by JavaScript and browser advances. Cash, Zepto, and Syncfusion are three JavaScript libraries picking up where jQuery left off