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What is the $() function in the jQuery library?
$() function in the JQuery library
The $() function is used to access the properties of elements in the DOM (Document Object Model). $() is similar to javascript’s selector functions, but it is more powerful and has more options.
$() can be used to access attributes, classes, id, data-* attributes, and more.
Example - Suppose you want to change the colour of all the heading1 (h1) to green, then you can do this with the help of jQuery as -
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