All developers know that Chrome Developer’s Tool is an amazing tool helps in debug, But it has many features which most of us are aware.
Likely, You can search a function definition in chrome just by inspect element.
Lets say you are searching for a function called LoginUser() from some webpage. And you need to see the definition of LoginUser.
Just right click –> inspect element –> Ctrl + Shift + F.
Type LoginUser in the search bar and select Regular Expression –> Enter