Steps to enable Javascript in different browser

JavaScript in Internet Explorer

  • Follow Tools → Internet Options from the menu.
  • Select Security tab from the dialog box.
  • Click the Custom Level button.
  • Scroll down till you find Scripting option.
  • Select Enable radio button under Active scripting.
  • Finally click OK and come out

JavaScript in Firefox

  • Open a new tab → type about: config in the address bar.
  • Then you will find the warning dialog. Select I’ll be careful, I promise!
  • Then you will find the list of configure options in the browser.
  • In the search bar, type javascript.enabled.
  • There you will find the option to enable or disable javascript by right-clicking on the value of that option → select toggle.

JavaScript in Chrome

  • Click the Chrome menu at the top right hand corner of your browser.
  • Select Settings.
  • Click Show advanced settings at the end of the page.
  • Under the Privacy section, click the Content settings button.
  • In the "Javascript" section, select "Do not allow any site to run JavaScript" or "Allow all sites to run JavaScript (recommended)".

JavaScript in Opera

  • Follow Tools → Preferences from the menu.
  • Select Advanced option from the dialog box.
  • Select Content from the listed items.
  • Select Enable JavaScript checkbox.
  • Finally click OK and come out.