Sinсe Google Chrome was updated to 50.x version, it become impossible to work with DevTools. This issue reproduced mostly in \"Network\" tab. Every time when you click on \"requ
resource being overriddenOnly overriding files with less lines of code worked well for me. I landed here because I was overriding a file which had 35,000 + lines of Javascript.
Further, if your resource is a new one - i.e. it is not included in a script tag or link tag, you can override main html document and add the tag : . Add the file to your domain-root within the Overrides folder on Chrome:
overriding HTMLoverriding CUSTOM SCRIPT:Good Luck...