Guide to enable/disable JavaScript in a Browser

Enable/disable JavaScript in a browser
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Today, all browsers have JavaScript installed and enabled by default. Keep in mind that many features on web pages are JavaScript dependent and will not work properly when it is disabled. Additionally, you must know that Java and JavaScript are two totally dissimilar features of any browser. Today, has come up with the typical ways to enable/disable JavaScript in a browser.

How to Enable/Disable JavaScript in a Browser?

These days, we will find plenty of browsers operating in PC and mobile device. However, we will just focus on some of the most important and most used ones. To enable/disable JavaScript in a browser or any browser, you need to follow different methods. Because every browser has independent functionalities. So, let’s not get into chatter but go through the main talks and learn how to enable/disable JavaScript in a browser.

Google Chrome

For the general intern user, Google Chrome is the most trusted name for a web browser. No matter if it is a mobile device or personal computer, Google Chrome Browser is the most obvious choice for most of the people. Because it is incredibly easy to use and doesn’t seize much of the device’s RAM. If you wish to enable/disable JavaScript just for checking purpose, go through the following step.

Enable/disable JavaScript in a browser

However, first come first. Click to open the browser.

  • At the upper right-hand corner of the screen, select “Menu” and the pick “Settings.”
  • Now scroll down and then click on “Show Advanced Settings” option.
  • Or else, in the address bar, Type: “chrome://settings/content”, Press “Enter”.
  • Pick the button named as, “Content
  • Choose “Allow all sites to run JavaScript, ” and it will enable the JavaScript.
  • To disable, pick “Do not allow any site to run JavaScript.”
  • After making all the changes, click “Done.”

Mozilla Firefox

There is enough argument regarding which browser has more user, Google Chrome or Mozilla? Well, we are not stepping our foot onto that note. If you wish to enable/disable JavaScript in Mozilla Firefox, follow the below given procedure.

Enable/disable JavaScript in a browser

  • After opening the browser, type “about:config” in the address bar and press “Enter.”
  • Now click the button named as, “I will be careful; I promise”right at the center of the window.
  • Now type “enabled” in the search bar.
  • Right-Click on javascript.enabled, which is just beneath the search bar and click “”
  • JavaScript is disabled now. Repeat the exact same process to re-enable it.

Internet Explorer

Enable/disable JavaScript in a browser

Internet Explorer is the oldest browser, and most of the brand new laptop or PC comes with pre-installed Internet Explorer. To enable/disable JavaScript in that Browser, follow the below given steps. However, at first, click the Internet Explorer icon to launch it.


  • Now, click on “Tools” which stays just at the upper right-hand corner of the window.
  • From the drop-down menu that appears after clicking “Tools,” choose “Internet Options.”
  • There you would find other options. However, you need to click the “Security tab.”
  • Find and click “Custom Level” button in the Security tab.
  • Now to locate Active Scripting, scroll down to the list which is close to the bottom.
  • Pick enable, disable to adjust your JavaScript settings.


Most of the acknowledged browsers nowadays have JavaScript installed, and it is a by default characteristic. So far, we have checked the ways to enable/disable JavaScript for some of the most modern web browsers. Now, it is time to do alike for Opera.

Enable/disable JavaScript in a browser

  • At first, open the browser, of course.
  • Right at the upper left-hand corner of the screen, click on “Customize and Control Opera.”
  • Now, from the very appeared drop-down menu, select “Settings.”
  • Click “Websites” in the configuration window that appear.
  • Pick the correct configuration under the JavaScript section as per your needs.
  • Under the “Manage Exceptions,” you can disable, enable, or set any rules.


Any confusion about the methods to enable/disable JavaScript in the browser? Try them all for several times, and you will get used to it. Don’t forget to let us know. Stay with us to get more exciting tips and tricks about web technologies.

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