Break javascript before an inline javascript redirect in Chrome

redirect google-chrome-devtools
krubo picture krubo · Sep 11, 2012 · Viewed 43.7k times · Source

I'm viewing a page that has an inline javascript redirect (window.location = "/anotherpage"). I want to load the page in Chrome but have the redirect line disabled, so I can use the page without getting redirected away.

Here's what I've tried:

  • Developer tools -> Cog -> General -> Disable JavaScript. Load the page. It doesn't redirect (yay!). But I still want the rest of the page's javascript to run, and it hasn't.

  • Type the URL, then click Developer tools -> Sources -> Pause (F8) real fast! It hasn't redirected yet (yay!) Now I want to disable the redirect line before unpausing, but that part hasn't even loaded yet into Developer Tools. So I'll start stepping through the other files javascript code until I get there?? But as soon as I step out of the other files javascript, it immediately redirects away (doh!).

Can this be done? I thought it should be easy to disable a line of javascript, but I'm stumped.

Answer

vsevik picture vsevik · Sep 14, 2012

Developer Tools -> Sources -> Event Listener Breakpoints (on the right sidebar) -> Load -> check unload

This will make debugger break on unload event which is dispatched before navigation.

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