How to add jQuery in JS file

Question

I have some code specific to sorting tables. Since the code is common in most pages I want to make a JS file which will have the code and all the pages using it can referen

Answer 1

Dynamic adding jQuery, CSS from js file. When we added onload function to body we can use jQuery to create page from js file.

init();

function init()
{
	addJQuery();
	addBodyAndOnLoadScript();
	addCSS();
}

function addJQuery()
{
	var head = document.getElementsByTagName( 'head' )[0];
	var scriptjQuery = document.createElement( 'script' );
	scriptjQuery.type = 'text/javascript';
	scriptjQuery.id = 'jQuery'
	scriptjQuery.src = 'https://code.jquery.com/jquery-3.4.1.min.js';
	var script = document.getElementsByTagName( 'script' )[0];
	head.insertBefore(scriptjQuery, script);
}

function addBodyAndOnLoadScript()
{
	var body = document.createElement('body')
	body.onload = 
	function()
	{
		onloadFunction();
	};
}

function addCSS()
{
	var head = document.getElementsByTagName( 'head' )[0];
	var linkCss = document.createElement( 'link' );
	linkCss.rel = 'stylesheet';
	linkCss.href = 'E:/Temporary_files/temp_css.css';
	head.appendChild( linkCss );
}

function onloadFunction()
{
	var body = $( 'body' );
	body.append('Hello world');
}

html 
{
	background-color: #f5f5dc;
}