This time I will show you how to load jquery.js in a JS file, and what are theprecautionson how to load jquery.js in a JS file. The following is a practical case, let's take a look.
There is a requirement recently:
1. Only one JS file can be introduced into an html, and no JS code or other JS files can be introduced;
2. This JS Other JS files must be introduced into the file;
3. All JS functions are written in this JS file. These codes use jquery-related stuff, so the first thing that needs to be solved here is how to introduce jquery. js.
1.js
// by firefoxmmx var script=document.createElement("script"); script.type="text/javascript"; script.src="jquery.js"; document.getElementsByTagName('head')[0].appendChild(script); setTimeout(function(){ $(document).ready(function(){ $("#bt").click(function(){ alert('Hello World'); }); }); },100);
1.html code is as follows:
If you want to test, you need to add jquery.js. You can download it yourself After clicking the button, the effect is as shown below:Here are some methods from the Internet:
1. Direct document.writeWhat are the ways to automate vue forms
How to build a forum with node bootstrap
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