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what is $ in jquery

$ is the shortcut for jQuery and acts as a selector. Similar to querySelector
$('#id')
$('.class')
$(this)

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why we use $ in jquery

$ is alias to jquery by default. In the place of $ we can use Jquery by default. Jquery is almost simplying code of js this is too we can consider as simplification of code.

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what is $ in jquery

why we use $ in jquery

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