JavaScript

Many websites now have this effect. When the page is scroll to a certain height, the menu bar will be fixed at the top of the page. This effect is not supported in ie6 because ie6 does not support position: fixed has a very good effect. If you are

In the previous article, we explained the expansion and corrosion functions in image processing. This article will provide edge gradient computing functions. If you are interested, you can learn more. Preface In the previous article, we explained

ParseInt (string, radix) has two parameters. The first string is the input value, and the second radix is the input value. The parameter radix can be ignored. The default value is 10, convert various hexadecimal numbers to decimal integers. Next we

The concept of "primitivetypes" ECMAScript (V3, V5) does not have a medium-pressure root. It only divides the root type into six types, if you are interested, you can refer to one of the frequently asked questions in front-end interviews: "What are

Dynamically change the height of the IFrame to automatically extend the IFrame. The parent page is also automatically scaled down. The principle is that when the IFrame sub-page is loaded, the parent IFrame object is called, change the height of the

How to Use mailto? For most people, it is not very unfamiliar, but have you noticed the practical details? Next, I will share my experience in the use process. For more information, see Mailto usage How to Use mailto? 1) basic usage The Code is

My webpage has a lot of images, and the server is not very good. Therefore, one or two images cannot be displayed after each page is opened, but all images can be displayed after the page is refreshed, I believe everyone has encountered this problem.

I wrote a method to query the results, but I found that the result set contains data during the debug process. How can I get the data through the variable? The Code is as follows: I wrote a method to query the results, however, how can I obtain the

Write a swing in JavaScript to determine whether to cancel the cancellation, and decide whether to execute this function to control data insertion into the database. Next we will introduce the final goal of this implementation method, write a swing

The each () method simplifies the DOM loop structure and is not prone to errors. The each () function encapsulates powerful traversal functions and is easy to use. It can traverse one-dimensional arrays, multi-dimensional arrays, and DOM, using $

I don't know jquery if I am familiar with javascript. I have to mention the unique concatenation writing syntax. How can I implement the jquery concatenation syntax, next I will introduce in detail what I want to know about javascript without

This article introduces a JSONP cross-origin access proxy API-yahooapis. If you need a friend, you can refer to whether you want to use AJAX to access some public network APIs, but you do not want to create your own proxy service, sometimes I don't

During the development process, JavaScript may be used to implement drag-and-drop functions. This article will introduce this issue in depth. For more information, see Js drag Simple closure implementation The Code is as follows: /*** Created

In the actual project, a problem occurs. First, a new window is displayed, and a TreeView control is placed in the new window. The solution is to click a node in the TreeView, return Text and Value to the parent page and close the new window. This

Except for basic data (Undefined, Null, Boolean, Number, and String) in Javascript, are other Javascript objects containing "classes? All objects In Javascript, except basic data (Undefined, Null, Boolean, Number, String), all others are objects )

Because of work requirements, I need to write a script on the Web page to submit data to the system in batches through the web page. So I thought of the Greasemonkey plug-in, so I started to write and found that the problem was solved smoothly

The three methods described in this article are based on the javascriptconfirm Prompt confirmation box. They are only written in different places. If you need them, refer to the confirm () method. The confirm () method is used to display a dialog

Due to business requirements, we have implemented a textarea text domain string length restriction method today. In fact, there are already many related solutions on the Internet, but when I input Japanese, There is a BUG in IE, this version is

Javascript animation objects support the implementation code of acceleration, deceleration, slow-in, and slow-out. For more information, see call the interface below: The Code is as follows: /*** @ Param elem {HTMLElement}: HTML element of the

Most JavaScript programmers know that strict equality () should be used to replace "normal" equal operations (). however, sometimes you really need an operator that is stricter than strict equality. For example, when you want to check whether a