How to make intellisense quick info for javascript and CSS files to appear in VS 2017

In Microsoft Visual Studio Professional 2017, when I edit a JavaScript or CSS file, the Intellisense Quick Info for Members, Objects and other keywords don't appear. However, when I open the same files in Visual Studio Code 1.66.0, Intellisense Quick Info is shown properly. This results in me failing to interpret the significance of JS and CSS functions and keywords, hence, causing a ream of inconvenience to me. Why is this happening and how can I make Quick Info appear properly for JS and CSS files in Visual Studio 2017? Any help on this matter is greatly complimented.

Regards

Please check the screenshots in the links below.

1) VS Code showing Quick Info for response.cookie() method in JS file:
https://1drv.ms/u/s!Ava3iL9se3C3gVEZlEHG3GyPrVQa

2) Visual Studio 2017 not showing Quick Info for the same JS file:
https://1drv.ms/u/s!Ava3iL9se3C3gU8PqaeTQu-ANlbU

3) VS Code showing Quick Info for background-attachment property in CSS file:
https://1drv.ms/u/s!Ava3iL9se3C3gVBW5gvZgLba-OXi

4) Visual Studio 2017 not showing Quick Info for the same CSS file
https://1drv.ms/u/s!Ava3iL9se3C3gU6RB4QuMnGC01F1

Could you attach your images to your post?

@VictorN: Tried to attach the images to my post in the first place, but they didn't appear. Hence, provided with their links. Hope you can view the images by clicking the links.