5 hands-on exercises and 5 find-the-bug challenges for the JavaScript String Search lesson. Every one is checked automatically in the browser — write the code, run it, and the tests tell you what still fails.
Report whether the text contains Script.
Report where the word Basics starts.
Report whether the file name ends with pdf.
Report the value indexOf gives when nothing matches.
Report the position of the final slash.
A match at position 0 is falsy, so it looks missing.
The word is there but capitalised differently.
Ready to write the code?
The editor, the automatic checks and the worked solutions open up with an account.
Open the workspaceThe final slash is wanted, not the first.
The extension is at the end of the name.
Starting past the match misses it entirely.