JavaScript

What is Node. js? Return the server-side javascript? I will not explain this concept in this article. I can search for it myself to find out that server-side js is not a new technology, but a recent node. the popularity of js broke out. I will

Web page source code protection (prohibit right-click, copy, save as, view source files), only some simple protection 1. prohibit right-click menu The Code is as follows:

In jQuery1.7.2, The getAll method is private in the manipulation module. There are only a few simple lines of code, as shown below: The Code is as follows: Function getAll (elem ){If (typeof elem. getElementsByTagName! = "Undefined "){Return elem.

The two methods should be returned according to W3C specifications. Let's take a look at the official explanation first, and then choose to use them according to W3C specifications: QuerySelector:Return the first matching Element node within the

Learning is interesting, but it is better to filter the learning content. This blogger provides and shares his learning experience with friends who are new to javascript client programming! I suggest you look at :( Uncle Tom's blog)

I have been curious about How jquery plug-ins are developed. When I was visiting the codeproject website, I suddenly saw an article: How to write plugin Jquery. If you are good at E, you can check the connection above. Now I am writing this article

JavaScript basics. If you want to learn JavaScript, refer JavaScript BASICS (1)Basics Javascript: 1. Data Type and Value Javascript: three basic types of data are allowed: Numbers, strings, and boolean values. In addition, two types of small data

First, let's talk about the eval usage. The content is relatively simple. You can skip the eval function to receive a parameter s. If s is not a string, s is directly returned. Otherwise, execute the s statement. If the execution result of the s

I wrote a relatively simple jQuery statement to determine whether an element is a child element of another element (or its own) last month, I studied "js determining whether an element is a child element of another element". It seems quite useful,

The same identifier is declared with var and function successively. What is it? The Code is as follows: Var a; // declare a variable with the identifierFunction a () {// declare a function. The identifier is.}Alert (typeof ); "Function" is

Use jQueryAJAX to call the page background method and the web service definition method. For more information, see 1. Create a demo. aspx page. 2. Add references to the background file demos. aspx. cs on the page. Using System. Web. Services; 3.

NodeJS is a young language, and its extension modules are not very comprehensive. We often want to use a module but cannot find a suitable one. For example, I need to use hmac and sha1 for signature two days ago, we didn't find a useful module. At

Recently, when my colleagues were working on a project, they needed an animation library to support the following requirements: Can start, pause (linear, non-linear tween support), continue, end Supports parallel processing of multiple styles It is

Recently I am working on some front-end OA interfaces. In order to better manage the Page code, I want to write a js selector, which says it is very laborious to find it on the Internet. I am very hard to find a minicss selector, and the performance

Return to the top is often seen, the code is relatively simple, using two objects and a main function. It has clear responsibilities to facilitate reuse. In terms of performance, it considers the performance problems caused by frequent calls to

Json occupies a certain position in Web data processing by virtue of its own advantages. During this time, three projects were involved that use Json as the data transmission format, some of the pages use the Json data transmission format. Here I

I didn't want to write JQ plug-ins, but it seems that JQ is not so convenient to reference. I have also written some small JS methods before, but writing JQ plug-ins is the first time I wanted to use some ready-made Plug-ins. I wanted to implement a

JBox is a jQuery-based multi-function dialog box plug-in that can achieve the overall style of the website and give users a new visual experience. Plugin description -JBox is a jQuery-based multi-function dialog box plug-in that can achieve the

It may end in October, but it will end at the end of the year. Looking at the article I wrote last time, I haven't written it for two months. It's really too busy. I should have a lot to write, but I have no spare time, every time I think about

I encountered a problem today. I need to get the tagName. I used jquery to query it. We use $ (& quot; dd & quot ;). attr (& quot; tagName & quot;) can be obtained, but the returned value is undefined. As a result, after a long query, the returned