I am trying to decipher a .js script and I am finding it filled with $ throughout? Is there any reason to use this? I’m pretty new to JavaScript.
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I am trying to decipher a .js script and I am finding it filled with $ throughout? Is there any reason to use this? I’m pretty new to JavaScript.
I think you are reading a JavaScript library famously known as jQuery (or possibly another library). The
$is just a short form for a namespace or use as an identifier.You can think of it like this
jQuery('p')to select all the paragraphs on a page,or for short form you can just write
$('p').Here is a link for jQuery tutorials/docs jQuery
Here is a list of standards section 7.6 describes it in detail ECMA Standard