Hi Tanmay,
Welcome to Microsoft Community.
I'm Hahn and I'm here to help you with your concern.
JavaScript is a scripting programming language that runs on the web browser to make specific features on the web page functional. If JavaScript has been disabled within your browser, the content or the functionality of the web page can be limited or unavailable.
To enable JavaScript in your browser, you need to follow different steps depending on which browser you are using. Here are some general instructions for some common browsers:
For Microsoft Edge, click the ⋯ button in the upper right corner of the screen, then open Settings, Select Cookies and Site Permissions in the left panel, Select JavaScript.
For Internet Explorer, click on Tools or the gear icon and select Internet Options. Then select the Security tab and click on Custom level. In the Scripting section, click Enable for Active Scripting and then click OK.
For Google Chrome, click on the Customize and control Google Chrome icon and select Settings. Then click on Show advanced settings and under Privacy, click on Content settings. In the JavaScript section, select Allow all sites to run JavaScript (recommended) and then click OK.
For Firefox, click on Tools or the menu icon and select Options. Then select Content from the left panel and check Enable JavaScript. Click OK to save your changes.
You may need to refresh your web page after enabling JavaScript to see its effects.
If there is anything not clear, please do not hesitate to let me know.
Your Sincerely
Hahn - MSFT | Microsoft Community Support Specialist