How crucial is data structures in the skillset of a web developer?

We have been of late introduced to data structures in our college and I have read that it’s important to have a sound knowledge of DS for a web developer too. Can anybody explain me in some details that why do web devs need DS concepts? And should I start learning DS in JavaScript rather than C language?

If you need to know C for your class, I would study the course material.
Data structures have quirks in each language such as syntax I would think, but the ideas are universal. Here is a link from MDN:

As far as why you need this, Objects and Arrays are types of data structures and you need them to store information.


thanks for responding @s_coder and also for sharing MDN’s link

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