JavaScript

What is Grunt. js?Grunt. js is a Javascript Task Runner (Javascript Task Runner). It is based on NodeJS and can be used to automatically build, test, and generate documents. Grunt. js is not just a build tool. In fact, it is only a task runner that

Copy codeThe Code is as follows:// Dynamically load external js filesVar flag = true;If (flag ){LoadScript ("js/index. js ");};Function loadScript (url ){Var script = document. createElement ("script ");Script. type = "type/javascipt ";Script. src =

In the previous article, I tried cross-browser data sharing. Finally, I mentioned the feasibility of using LocalConnection to achieve cross-browser message interaction. It took two nights to make a brief research. LocalConnection's one-way

Copy codeThe Code is as follows:Content Filtering selector: gets an element based on the text content in the element or its child element features. The text content can be fuzzy or absolutely matched for element locating.JQuery selector detailsBased

In fact, it is very simple. The first part of my code is simple implementation of how to use JS to write templates. The second part is the specific implementation of a JSON query extension. Json query will be available in the future.Copy codeThe

Generally, an object in javascript is a pointer to prototype and a list of its own properties. Javascript adopts the concept of copy-on-write when creating objects.Only the constructor has the prototype attribute. prototype inheritance creates a new

Click the left and right buttons to scroll the image horizontally. jquery will scroll four times at a time. After the image is finished, it will automatically return to the first layout:As follows::Copy codeThe Code is as follows: click the left and

First, the following statements can be used to dynamically generate a Checkbox using JS:Copy codeThe Code is as follows:Var checkBox = document. createElement ("input ");CheckBox. setAttribute ("type", "checkbox ");CheckBox. setAttribute ("id", '2014

the appearance of tags is annoying. Different browsers are inconsistent. for IE alone, a single version has a look and cannot be modified with CSS. Here I will share my beautification Method for .Advantage: is still used. It only changes the

Today, I saw this very good article on the rainweb blog and felt it was very necessary to share it. I believe that after reading this article carefully, my understanding of the js scope will go up to a new level.In javascript, variable scope is a

Split converts the string into an array and outputs the Code: Copy codeThe Code is as follows: Js deletes array elements: Var arr = ['A', 'B', 'C'];To delete 'B', you can use either of the following methods: 1. delete method: delete arr [1] In this

Reference: http://www.jb51.net/article/35110.htmImprovements:1. ashx returns json data to reduce the amount of data transmitted, and provides flexible html page style control;2. Rewrite the jQuery code of the html page;3. Simplify the three ashx

Array definition: Method 1. Copy codeThe Code is as follows:Var mycars = new Array ()Mycars [0] = "Saab"Mycars [1] = "Volvo"Mycars [2] = "BMW" Method 2. Definition and initialization together: Var mycars = new Array ("Saab", "Volvo", "BMW ") Or

Copy codeThe Code is as follows:I would like to share some of the following with you. I love programming and hope to be more programmers. If you are one of them, please add your friends, the following articles are useful things for you. You can take

If you are currently using Restful APIs and you need to construct a json string response using a web project, this article will help you create json strings using javascript. This is very useful. We will use the jQuery plug-in $. toJSON to convert

Onload Implementation of js:Copy codeThe Code is as follows:Http://www.w3.org/TR/html4/loose.dtd> Use of js onload method Use of js onload method link 1 link 2 link 3 Link 4 link 5 link 6 Implementation of jquery's ready Method:Copy

Copy codeThe Code is as follows:Var a = ["apple", "peach", "banala"]; The above is another definition of an array, which is equivalentCopy codeThe Code is as follows:Var a = new Array ();A. push ("apple ");A. push ("peach ");A. push ("banala ");

Recently, the highly adaptive problem of iframe was solved. I searched a lot of solutions on the internet, and I tried these solutions one by one. Finally, I found that they didn't work in my projects, later, I found that my webpage was accessed

As you may know, the execution environment of Javascript is "single thread ).A single thread means that only one task can be completed at a time. If there are multiple tasks, you must queue up, complete the previous task, and then execute the next

I have been using ExtJS for nearly a year and have encountered many strange problems. The most impressive problem is the problem that ExtJS shows in ie. Because chrome is mostly used for debugging during the development process, debugging is rarely