How to output js as html source code?

Js code comment: javascript code can be directly interpreted and executed on the client. There are two ways to call js code in html: one is to write javascript in html file and call js function in html; Second, the js code is written in a file, referenced in html, and the js function defined in the js file is used.

Calling method:

1. Open Dreamweaver software and select HTML under "Create New Project";

2. Click "File"-"Save As"-the file is named Test-and saved on the computer desktop;

3. Write an html file, which contains user name and password input text boxes, and confirm and cancel buttons;

4. Insert < script language="JavaScript ">Js code to call js function in html;

5.js code writing and html call js code to save tset.html file, open test.html file in browser, and check the execution effect of js code;

6. Create a new check.js file in Dreamweaver software (the method is the same as html file), and enter the check function in the check file;

7.test.html quotes the check.js file under the title tag;

8. Reference the js function in the check.js file in the program, refresh the test.hmtl file in the browser, but enter illegal characters in the user name input box to check the js code.