I'm tired of digging through a page's JavaScript and CSS files just to find the parts that are relevant to the HTML I see. I've looked for a tool that could automate this process, but haven't found anything yet. To give a clear example, let's say I have HTML that uses classes A, F, and Q, and some function called doSomething() is triggered on an element's onclick event. If there are multiple CSS and JS files, it can get really overwhelming. I'm looking for a tool that can scan the DOM and trace back through the files to show me where all related code is located.
Just to clarify, I'm already familiar with using devtools and debugging step-by-step. What I really need is a way to see all the classes and functions related to the DOM elements I'm looking at, along with where they're found in the files. Manually doing this can take hours, depending on the complexity of the page. Such a tool would be super helpful!
4 Answers
You can use the browser’s inspector to add a breakpoint in the scripts tab and start from there. This will help you step through the code and identify the relevant script files that are in action.
I’m not sure if there’s an existing tool for this. You might need to tweak a rendering engine to log this like the debug tools do. Just keep in mind that HTML, CSS, and JS are all interpreted, which makes it tricky to track dependencies.
Honestly, using a framework might simplify things. They often provide better organization of files and dependencies, but I get that it might not fit every situation.
Definitely check out the Browser DevTools, especially the Breakpoints and Debugger features. They can provide insights into what's happening under the hood.
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