JavaScript

Recently more leisurely, I made a JavaScript nodetree, online similar things in fact quite a lot of functions than this whole, I do this purely to practice practicing. Icons can be customized (16X16), and menu items are entirely JSON-type-defined

An event is an action performed by a user or browser itself. Click,mouseover, for example, are the names of events. The function of the corresponding event is called an event handler (or event listener). There are several ways to specify a handler

Copy Code code as follows: Array removal Length method var array=[]; Array[0]= "John"; Array[1]= "Dick"; array[2]= "Harry"; array[3]= "Zhao Liu"; Array[4]= "Baidu"; function Remove (array,index) { if (indexfor (Var

Copy Code code as follows: /** * Function: The code in the JS file to achieve the [input automatic search tips] function, such as Baidu, Google search box to enter some characters will be the following Drop-down list form gives some hints,

To delete multiple items from the list box at the same time, we cannot delete from top to bottom, because the item above is deleted, the index number of the item below will change, so you can only remove it from the bottom, so there is no problem

First let's talk about the reverse method first. The reverse method reverses the position of an element in an Array object. During execution, this method does not create a new Array object. For example: Copy Code code as follows:

In C #, a multidimensional array can be defined in such a simple code: Copy Code code as follows: Int[,]myarray=new int[4,5]; How do you implement a multidimensional array without directly defining it in JavaScript? First,

In this article, I'll list 10 JavaScript practical tips, primarily for JavaScript novices and mid-level developers. Hopefully, every reader can learn at least one useful skill. 1. Variable Conversion It looks simple, but as far as I can see, using

Sometimes you need to get the size of the picture, which needs to be done after the picture is loaded. First, the Load event Copy Code code as follows: img-load event loading... Test, all

However, we find the problem in use, where the array ordering method is not sorted according to the size of the figure we imagined, but rather the original data was changed according to the string test results. That's not what we want. So how do we

1, if you terminate the return of a function, the example is as follows:function Testa () {Alert (' a ');Alert (' B ');Alert (' C ');}Testa (); Program execution will pop up ' a ', ' B ', ' C ' in turn. function Testa () {Alert (' a ');return

Requirements are as follows: 1. Show the names of all the people in the class on the Web page. 2. Click the Start button, the person's color began to change, when the stop, there will be a different color position, then this position is to be

Custom function arguments are passed in string format and passed1: Pass with this2: Quote Default3: Escape character (in HTML "represents" double quotes, ' stands for single quotes, direct in JavaScript ' and Java Universal escape character set)

Today in the implementation of CheckBox selection, reverse, and cancel JavaScript small script, always appear after clicking the page immediately refresh, select the checkbox all cancel the problem, debug a half-day, only to find that the original

Scope is always the most important in any programming language, because it controls the visibility and lifecycle of variables and parameters. Here, we first understand two concepts: block-level scope and function scope. What is a block-level scope?

PS: is to get the style, not to set the style. If no style value is set for the element, the default value given by the browser is returned. (Forum finishing) 1. Element.style: can only get the style values written in the style attribute in the

typeof all Return Object All data types in JavaScript are strictly objects, but in practice we still have types, if we want to determine whether a variable is an array or an object using TypeOf, because it all returns object Copy Code code as

Regularexpression=/pattern/[switch] This switch has three values G: Global match I: Ignore case GI: Global match + ignore case JScript Language Reference -------------------------------------------------------------------------------- One of the

own use of loading JS files, supporting multiple files, incompatible IE Copy Code code as follows: /** * Load JS file * @param {string | | | | array} URL JS path * @param {Function} fn load Complete callback * @return {Object} game

Copy Code code as follows: Rich Text editor Edit Area Font Color: black red green blue Font style: bold italic underline striketthrough Font Name: serif sans-serif monospace comic sans