Changing One Thing vs Changing Multiple Things in DOM | jQuery Tutorial

Changing or updating one thing and changing many things are different. They require different approach. It requires you to see these in a different way. If you need to change one thing, its straight forward. You just get single value, manipulate it and display output. But if you are selecting something that has collection of data, then you need an iteration. You need a loop that starts from first item and ends at last item. You need to go through each item in collection, manipulate each item and display output for each one of those items. Purpose of this tutorial is to make you see these two scenarios differently. You will be selecting things in programming. Doesn't matter which tech stack is it. Selecting something is not the same. Either you are selecting one thing or collection of things. Know the difference earlier and apply different approach.

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