When accessing a web page, if your firefox web browser accesses a very long javascript code, it will take time to process it. Although not every time, but some javascript codes can take a lot of time to get processed. It effects the overall performance of your computer because a long javascript take a lot of CPU cycles to get executed. With a small configuration, you can manually set a time in your firefox web browser as the timeout value for processing these scripts.

  1. Open Mozilla Firefox
  2. In the Address bar –> Type “about:config” and press enter
  3. Press “I’ll be careful, I promise” button and press enter
  4. In the filter box type “dom.max_chrome_script_run_time”
  5. Change the configuration displayed in the window below to the number of seconds you want.
  6. Then again go to the filter box and type “dom.max_script_run_time”
  7. Change this value too, keep it same as above.
  8. Now restart firefox to take effects.
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