Firefox
By default, Firefox enables the use of JavaScript. If JavaScript is not working ensure that there are there no extensions installed that may be blocking it.
Google Chrome
- Select Customise and control Google Chrome (the icon with 3 stacked horizontal lines on the right of the address bar).
- From the drop-down menu, select Settings.
- At the bottom of the page, click Show advanced settings.
- Under Privacy, select the settings button.
- Finally, under the JavaScript heading, select the Allow all sites to run JavaScript radio button.
Safari
- In the Edit drop-down menu at the top of the window, select Preferences .
- Select the Security icon/tab at the top on the window.
- Then, check the Enable JavaScript checkbox.
- Close the window to save your changes.
- Finally, refresh your browser.