Enable JavaScript in Internet Explorer (IE)

To enable JavaScript in Internet Explorer (IE), follow the below-given steps:

Opening Internet Options

Click the gear icon on the right-hand side:

Navigating to Security Settings

Now, a dialog box will open. Go to the Security tab and click Custom level.

After reaching the Security Settings, go to Scripting, then Active Scripting.

Enabling Active Scripting

Click Enable to enable JavaScript and press Ok.

Now, JavaScript will enable after clicking Ok. 

Conclusion

Once you enable Active Scripting and save the changes, JavaScript will be activated in Internet Explorer. Restarting the browser may be required for the settings to take effect.