JavaScript

Preface Free encyclopedias should not only be freely written, but also be freely available.DBpedia converts the Data of Wikipedia into Linked Data, allowing the machine to read and obtain the Data freely.The main purpose of this article is to use

 In the web development process, we often need to enter keywords on the front-end page for data search. We usually use the search method to display the search results on another page, this method is not the most suitable method for building a

Demo01.htmCopy codeThe Code is as follows: direction feedback Direction feedback feedback direction RollingMask-0.1.0.jsCopy codeThe Code is as follows:/*** Shutter effects in different directions***/$. Extend ({RollingMask: function (opt, callback

1: nextSibling attributes This attribute indicates the next node of the current node (the node after it belongs to the same level as the current node). If it does not have a node of the same level as it later, null is returned.Note that the

The plug-in name is elevatezoom.To achieve this effect, you need to prepare two images, one small one and the other large for displaying when the mouse passes. Then, we only need to add the data-zoom-image attribute for the img label, and its value

Three. js is a great open-source WebGL library. WebGL allows JavaScript to operate on GPUs and implement 3D in the browser. However, this technology is still in its development stage, and there is a shortage of materials. Fans should learn it

1. Preface The function must be defined first and then used. This is basically an iron law for all programming languages.In general, we need to call a JavaScript function. The basic situation is to define the function before calling it. Let's look

Because the company needs to make a search box that imitates Baidu and has a Value, only Text is found on the Internet, so there is no Value.Paste the Code directly.Copy codeThe Code is as follows:(Function ($ ){Var timeid;Var lastValue;Var

Preface In the previous article, we explained the image pyramid. In this article, we will learn about the affine transform. Affine? Any affine transformation can be converted to, multiplied by a matrix (linear change), plus a vector (translation

Today, I found a scroll effect on the Internet and shared it with you. First: Html code:Copy codeThe Code is as follows: jquery-roundabout Block 1 Block 2 Block 3 Block 4 Block 5 The code for roundabout. js can be downloaded from the official

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 the numbers in hexadecimal notation to a decimal INTEGER (

Copy codeThe Code is as follows:Var dataObjCloned = JSON. parse (JSON. stringify (dataObj )) This is what I saw on the big city chubby Weibo last night. At that time, I was very interested. I just marked it.Today, I sorted out the following

Description:This article describes how to generate Html based on Json strings (simply implement the text box, password box, and drop-down box ). This is done only when you think it is fun. If you feel that there is no value, ignore it. I hope you

If there is a certain JavaScript foundation, it is easier to make floating advertisements. Code directly:Copy codeThe Code is as follows: untitled document Key Points:In the preceding code, use document.doc umentElement. Do not use the old

Preface In the previous article, we explained the changes in brightness and contrast in image processing. In this article, we will use a threshold function.Simplest Image Segmentation Method The threshold is the simplest method for image

The onload, onresize, and onscroll events of windows are different from other events. They cannot be added using attachEvent or addEventListener.That is to say, it can only be like this (take onload as an example, the same below ):Copy codeThe Code

JQuery provides powerful functions for table processing, such as sorting specific rows or columns in a table, and changing the style. If your English is good enough, you can read this article: jQuery table manipulation. This article only describes

A global variable var JsonData;Here is an Ajax processing method:JScript code:Copy codeThe Code is as follows:Function GetJson (DataSourceName ){$. Ajax ({Type: "post ",Url: "Ajax/AjaxData. ashx? MethodName = "+ CENAME,ContentType: "application/json

When a website has a lot of js Code to load, the js Code placement location will, to a certain extent, reflect the loading speed of the webpage, in order to make our webpage Load faster, this article summarizes several notes:1. Delayed loading of js

1. Only Chinese characters can be entered Copy codeThe Code is as follows: 2. Only numbers can be entered Copy codeThe Code is as follows: Chinese characters cannot be entered.Copy codeThe Code is as follows: Enter a number and a decimal point:Copy