How to load jquery.js inside JS file
This time I will show you how to load jquery.js in a JS file, and what are the precautions on 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:
<html> <head> <script type="text/javascript" src="1.js"></script> </head> <body> <input type="button" id="bt" value="Click" /> </body> </html>
Here are some methods from the Internet:
1. Direct document.write<script language="javascript">
document.write("<script src='test.js'><\/script>");
</script><script src='' id="s1"></script> <script language="javascript"> s1.src="test.js" </script>
<script>
var oHead = document.getElementsByTagName('HEAD').item(0);
var oScript= document.createElement("script");
oScript.type = "text/javascript";
oScript.src="test.js";
oHead.appendChild( oScript);
</script>What are the ways to automate vue forms
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