Are there any methods to identify the script used in certain HTML elements?
For instance, if I wish to determine the script responsible for creating a drop-down menu, I can locate the HTML and CSS for the menu but not the JavaScript (or other scripts).
I currently use the Web Developer chrome extension to extract the JavaScript from pages of interest. However, these documents are extensive. How can I establish which functions/variables/etc correlate with specific parts of the HTML?
If you're tackling a tricky web development issue, Chrome's developer tools could come to your rescue. By simply right-clicking on the element and choosing "inspect element," you can dive into the HTML node within the DOM inspector. From there, opt for the "break on..." feature and select options like "subtree modifications" and "attribute modifications."
Chrome will then pause javascript execution whenever the dropdown menu you're monitoring undergoes changes, allowing you to delve into the relevant code.
Keep in mind, though, that this technique may not be as effective if the javascript is minified...
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