# Sources

One of the developer tools most powerful features is the sources tab. This section is essentially an integrated development environment which allows you to build, test, and debug web apps.

key-stroke Action
ctrl + O Search scripts and stylesheets by filename*
ctrl + F Search text within the current file
ctrl + shift + F Search text accross all files*
ctrl + shift + O Navigate to a JavaScript function/method or CSS rule within the current file
ctrl + G Navigate to line number within current file
alt + - & alt + + Navigate through source code editing locations - + is forward and - back
ctrl + D Multi-select find next occurence
ctrl + U Undo last multi-select occurence

* Available in all tabs (network, sources, elements, etc)