The comparison between installing a JavaScript library and simply copying .js files

As I dive into the world of web development and JavaScript, I've noticed that many open-source JavaScript libraries like jqueryUI come with readme files containing installation instructions. These instructions often mention the need to install additional packages like node, grunt, npm, and more before installing the target library itself. This process has left me puzzled as to why all these installations are necessary.

I can't help but wonder what the distinction is between simply copying the relevant .js file or files from the library directly and including them in a script tag versus going through the entire installation process.

javascript

Answer №1

Many javascript libraries are built on top of other libraries, requiring those dependencies to be included for them to function properly. One such example is jQueryUI, which relies on jQuery to work. Fortunately, you do not need to worry about including any additional libraries besides jQuery.

To use jQueryUI, all you need are the two essential files: jquery-1.10.2.min.js and jquery-ui.js. Simply place these files in the same directory as your HTML files, and include the following lines between <head> and </head> tags in the HTML files where you intend to use them:

<script type="text/javascript" src="jquery-1.10.2.min.js"></script>
<script type="text/javascript" src="jquery-ui.js"></script>

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