My *favorite* DevTool is the Firefox Grid Inspector.
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Yes it is quite good
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Black boxing. I also wish there was a way to visually group break-points
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Are you aware of the Breakpoints tab in the Sources panel?
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Favorite hack: Put performance markers in your code and then log performance in DevTools console using: console.table(performance.getEntriesByType('mark'), ['name', 'startTime'])
Thanks. Twitter will use this to make your timeline better. UndoUndo
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$0 for the current selected node is just

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You can also use $0 to $4 to select the previous selected nodes too. And $_ to get the output of the last evaluated expression.
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—disable-web-security flag is super handy
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For what?
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Overrides!
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Would you elaborate?
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