Select source file
This .html source file has the JS code
Keep Breakpoint
See the JS code starting and Click on the line number
Then "Refresh" the browser.
Step/run statement by statement
Press f9 (or) Click Step icon one by one
Now you can watch what happens to the code, when running line by line
You can also see the details like
- variable's current value below the script dropdown
- CallStack details below the CallStack dropdown. etc..