Is there a way to determine the exact source of an element.style? Essentially, I am looking to identify which specific JavaScript or jQuery file is responsible for injecting it. My goal is to address the

The specific styles mentioned are not hardcoded into the HTML or CSS. They're being dynamically inserted through a JavaScript or jQuery file. This is a common issue that I encounter frequently. Typically, I resort to thoroughly reviewing all files until I locate the source of the styles. Is there a more efficient method utilizing developer tools? I am adamant about avoiding the use of an !important declaration as a workaround; instead, my goal is to identify and rectify the root cause.

While some individuals suggest the following solution: Finding Javascript-Applied Inline Styles to Debug Javascript This does not fully address my inquiry because it only shows the code snippet responsible for the issue, whereas I am seeking the actual file name and/or path.

Answer №1

If you want to see which styles are being applied, simply use Chrome Devtools. In Chrome, right-click on an element and select "inspect." Then, go to the "Computed" tab to view the styles that are affecting the element.

https://i.sstatic.net/PbelW.png

If you need to find injected JavaScript, you can refer to a previously answered question on Stack Overflow for guidance. The answer suggests using Chrome Devtools DOM breakpoint to trace back to the CSS.

For reference, here is an example image: https://i.sstatic.net/J68XI.png

Once DevTools takes you to the "sources" tab, it will display the first executing file. By navigating through the "Call Stack" drop-down menu, you can access all the files impacting the page. By inspecting these files, you can identify which one is causing the issue. When you locate the correct file, DevTools will highlight the relevant code affecting the page.

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