JavaScript

1. bind () functionBind a handler for each event of the selected element. The syntax is as follows: bind (type, [data], fn) Type is one or more types of strings, such as click or change, which can also be customized; types that can be called by type

Preface Library is a controversial topic. One idea is that it is a great tool and indispensable to any developer; another idea is that the dependency on the database without the internal working principle of the database can contribute to the

The front-end developer should be clear that the function objects of the Javscript can change the objects pointed to by the internal scope (this) through the call or apply method to achieve more scalable function development. Ie native supports the

This is the third reading note of Three. js source code. The previous two articles mainly focus on core objects. These core objects focus on vector vector3 objects and matrix matrix4 objects, focusing on the positions and changes of individual

When Angel uses jQuery to obtain the value of background-color in the style, the obtained color value is displayed in a different format than that displayed in Chrome and Firefox. in IE, the color value is displayed in HEX format # ffff00, chrome

In JavaScript, random numbers are usually generated repeatedly, but sometimes we need random numbers that are not repeated. How can we achieve this? The following describes three methods to generate random numbers that are not repeated and compare

The article from John Resig's early years roughly translated it for memo.Fortunately, I think I can finally say, "Currently, Getters and Setters of JavaScript are widely used, and they are closely related to the vital interests of every JavaScript

Previously, I downloaded a jQuery Ajax upload plug-in from the Internet. The upload category is on the left side of the webpage. The following is a function to be implemented: I originally intended to create different folders on the server to save

New users are puzzled by the imagecreatetruecolor () and imagecreate () functions of php Image Generation. First, let's take a look at the official explanations of these two functions:Resource imagecreatetruecolor (int $ x_size, int $ y_size)Returns

Is there a "class" in Javascript?All objects In Javascript, except basic data (Undefined, Null, Boolean, Number, String), all others are objects ).In fact, objects in Javascript are a collection of data and functions. For example, we know:Copy

I. Introduction1.1 OverviewWith the rapid development and dissemination of WEB2.0 and ajax ideas on the Internet, some excellent Js frameworks have emerged one after another, among them, Prototype, YUI, jQuery, mootools, Bindows, and JSVM frameworks

Today, the wind is blowing outside. It is also a pleasure to write a blog in a warm hut. Well, let's talk a little bit about it. Today we will talk about how to connect to and operate mongodb using php. If you haven't followed the two phases, if you

The factory mode is also one of the object creation modes. It is usually implemented in static methods of classes or classes. One way to construct an object is to use the new operator. However, when using the new operator, it is intended to

However, textarea does not have this attribute.The textbox attribute of asp.net server cannot be used, so we only need to use js scripts to control it.Okay. Let's talk about the code first.Source code:Copy codeThe Code is as follows:Function

Among many browser products, IE, Firefox, Opera, Safari ........ many brands have different standards. Therefore, you often need to perform different operations based on different browsers or even different versions of the same browser. Therefore,

The cursor is focused at the beginning. Copy codeThe Code is as follows: jquery focus text box-script house Jquery extension text box focus MethodIn different browsers, if you only set focus () for a text box, the cursor focus may be at the

Copy codeThe Code is as follows:

In the project, you need to quickly check whether the browser supports a certain CSS3 feature, for example, whether "transform" is supported, and my layout will have two completely different la S. Of course, in addition to the fast method described

Javascript Time Functions Javascript provides the Date object for time and Date calculation.The Date object has multiple constructors: New Date () // current timeNew Date (milliseconds) // The number of milliseconds from the start time to January 1,

First, we will introduce the development of a custom selector. Its code structure is as follows:Copy codeThe Code is as follows:(Function ($ ){$. Expr [':']. customselector = function (object, index, properties, list ){// Code};}) (JQuery ); Method