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Javascript tutorial

SeaJS Introduction to SeaJS (I)

Preface SeaJS is a JavaScript module loading framework that follows the CommonJS specification, which can implement the modular development and loading mechanism of JavaScript. Unlike JavaScript frameworks such as jQuery, SeaJS does not extend the encapsu

2025-03-02
js sample code to implement countdown clock

As shown below: Copy the code The code is as follows: <SCRIPT language=JavaScript1.2>function setcountdown(theyear,themonth,th

2025-03-02
A random naming program made with JavaScript

Copy code code as follows: <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html>

2025-03-02
Native js realizes the effect of clicking the button on Taobao homepage slowly back to the top

The back to the top button on Taobao homepage is as follows: the button will be displayed after pulling down to a certain distance. When the mouse is placed on the button, the button background will turn gray and the icon will turn into text. Clicking the

2025-03-02
Sample code for mutual conversion between js time format and timestamp

1. Time conversion timestamp copy code The code is as follows: function transdate(endTime){ var date=new Date(); date.setFullYear(endTime.substring(0,4)); date.setM

2025-03-02
Two good ways to get event source in javascript event function

In the event response of javascript, we need to obtain the event source object to change its properties, such as changing the src attribute of img. There are two ways to obtain the event source in the event response function: The first one: Pass it direct

2025-03-02
Code example for realizing uniform motion in JS

Effect: Idea: Use the setInerval() timer to perform exercise. Then the key point is to give it a judgment to fill the gap when it finally stops. Code: Copy the code and the code is as follows:<head runat="server"><title></title>

2025-03-02
Sample code to determine whether the customer's browser supports cookies

1. Copy the code as follows: function check(){ if(window.navigator.cookieEnabled) return true; else{ alert("Browser configuration error, Cookie is not available!"); return f

2025-03-01
Js operation of the DOM in iframe (instance explanation)

Direct assignment is as follows code test to understand: 1.html: Copy code code as follows: below:

2025-03-01
Js gets the value and text of the selected item in the drop-down box.

Js provides two methods for getting the value of the drop-down box and text on the Internet: But some people are very irresponsible, and they do not consider the errors caused by the differences between browsers, which leads many novices to figure out the

2025-03-01
Detailed explanation of property properties of JavaScript objects

The property of an object in JavaScript has three properties: 1.writable. Is this property writable? 2.enumerable. When using the for/in statement, will the property be enumerated? 3.configurable. The property's

2025-03-01
JavaScript makes loading animation effect loading effect

Copy code code as follows:/*AJAX submitted delay waiting effect*/var ajaxloding = new object (); // wraperid: container element that displays the Loding image // ms: indicates the length of the Loding icon display, millisecond // envent: Show

2025-03-01
Solution of JS to $ is not a function

When I was doing the project today, I encountered a super strange problem. My program in HTML runs well. Instead of running JSP in the project, I have been reporting $ is not a function. After looking for a long time, I tried a lot and did not solve it. L

2025-03-01
JavaScript function in the subpage cannot debug the problem solving method

Recently, when a project is doing a project, I will encounter the situation where the JavaScript code will not be able to debug the JavaScript code when submitting in the sub -page. Sometimes this kind of problem, we cannot normally in the browser, see th

2025-03-01
How to make the password box display the password saved to the cookie when changing the password

Just add AUTOCOMPLETE="OFF" in the input box and copy the code as follows:<input name="pwd" id="password" type="password" AUTOCOMPLETE="OFF" />

2025-03-01

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