Chrome: Press Ctrl+Shift+J (Cmd+Option+J on Mac) and it will give similar functionality. Also consider checking out JavaScript debugger in Chrome. Hitting F12 works as well.
Opera: Press Ctrl+Shift+I (Cmd+Option+I on Mac) to launch Opera Drangonfly which is a fully featured development and debugging tool integrated into the Opera browser.
Safari: Enable the Developer Menu from Safari's preferences. It will give access the various tools (Error Console, Web Inspector, JavaScript Profiler, etc). Of course there are also shortcuts, like Cmd+Alt+C for the console.
Best Answer
Click on the address bar —yea the "omnibox", if you prefer a cooler name— and type
chrome://settings/content.(Alternatively, go
Settingsand type “javascript” into the search box.)You can disable JavaScript by selecting “Do not allow any site to run JavaScript”:
It autosaves; you don't have to click Done or anything else.
Indeed, we don't even need a mouse to disable JavaScript and get back to the current page:
CtrlT
chrome:settingsEnterjavascriptTab EnterTab x 6, ▼
Lastly, CtrlW to close
Settings.should take about 5 seconds.