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You have completed Debugging JavaScript in the Browser!
You have completed Debugging JavaScript in the Browser!
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Let's walk through the basics of debugging JavaScript in the browser.
Covered in this Video
- Overview of Sources tab in DevTools
- Set an Event Listener Breakpoint
- All variables and values in current scope
- Step over button, seeing code execute line-by-line
- Changing value of a variable while program is paused
- Disable/enable all breakpoints
JavaScript's this keyword
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I have the app open here,
0:00
when I click to confirm a guest nothing
happens, this list item should highlight.
0:02
When I uncheck confirmed names,
0:08
they don't lose their highlighting,
this is our first bug.
0:10
Let's open the developer tools
to dig into these problems.
0:15
You can get there from the menu,
going to More Tools, Developer Tools.
0:18
But I like to use the keyboard shortcut
Cmd+Option+I, if you're on a PC,
0:26
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