How to enable JavaScript in common browsers
On your computer, open Chrome.
At the top right, click More
> Settings.At the bottom, click Advanced.
Under "Privacy and security," click Content settings.
Click JavaScript.
Turn on Allowed (recommended).
Note: JavaScript is enabled in Firefox by default. Users should not have to enable JavaScript in Firefox unless it was previously disabled manually.
In the address bar, type “about:config” and press Enter.
Click "Accept the Risk and Continue" if a warning message appears.
In the search box, search for “javascript.enabled”
Toggle the "javascript.enabled" preference (double-click the preference, or click the toggle button on the right) to change the value from "false" to "true".
With Safari open, click “Safari” in the top left corner.
Select “Preferences” from the menu.
Go to the “Security” tab
Under the “Web Content” section, toggle the “Enable Javascript” checkbox.
Safari > Preferences > Security Tab > Web Content Section > Enable Javascript Checkbox
Click on Opera icon “Menu”, then click “Settings”
Under "Privacy and security," click Site settings.
Under the “Content” section, click JavaScript.
Turn on Allowed (recommended).
Select the “Settings/Tools/Action” menu in the top right corner.
A drop-down menu will appear, select “Internet Options”.
Go to the “Security” tab.
Under the Security tab, select the “Custom Level” button to display the “Internet Zone” security settings.
In the Internet Zone, scroll down to find the “Scripting” Section.
In the Scripting section, enable active scripting and also click “Enable” on all confirmation boxes that may follow to turn on JavaScript on your Internet Explorer Browser.
Click OK on each of the next two screens to confirm the change. Remember to restart your Internet Explorer browser.
