How to Enable or Disable Javascript in Mozilla Firefox?

Step 1: Open Firefox web browser.

Step 2: Type "about:config" without quotes in address bar and hit Enter button on the keyboard.

Step 3: You get the warning window, Click on "I accept the risk" button.

Step 4: In Search box, type "javascript.enabled", you get that preference.

Step 5: Hight it, right click on it.

Step 6: Click on "Toggle" option to enable or disable.

That's it.

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