Disable JavaScript on browsers

Google Chrome

1. Click on the vertical ellipsis button at the top-right corner of the browser.
2. Select Settings from the menu.
3. On the Settings page, input JavaScript into the Search bar and hit Enter.
4. Click on Content Settings from the search result.
5. Click on JavaScript from the Content Settings page
6. There you can toggle the Allowed switch. Or you can set the URL you want to block or allow individually.

 Firefox

1. Input about:config in the address bar and hit Enter.
2. Acknowledge the I accept the risk! warning.
3. Search for javascript.enabled.
4. Double click the option to toggle it between true or false.

IE

1. Click on the Gear icon at the top-right corner of the browser.
2. Select Internet options from the menu.
3. Select the Security tab.
4. Select the Internet zone (or other zones depending on the web sites you plan to visit).
5. Click on the Custom level... button.
6. Scroll to the Scripting/Active scripting setting.
7. Select Disable or Enable or Prompt to control how the browser handles JavaScripts.