Things You'll Need:
- Computer with Mozilla Firefox and JavaScript installed
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Step 1
Open Mozilla Firefox and click "Tools" on the menu bar.
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Step 2
Click "Options..." to bring up the "Options" window and then click the "Content" tab.
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Step 3
Activate the checkbox next to "Enable JavaScript."
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Step 4
You can also customize what JavaScript is allowed to do. Click the "Advanced..." button to the right of "Enable JavaScript" and activate or deactivate the checkboxes to suit your individual needs. Click "OK."
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Step 5
Click "OK" at the bottom of the "Options" window. JavaScript is now enabled.











