JavaScript

1. Two ways to create objects:The new operator is followed by the Object constructor;var obj=New Object (); Obj.name= ' big head son '; obj.age= 12;Object literal expression methodvar obj={ name:' big head son ', age :n};2. two ways to Access

DOCTYPE HTML>HTML>Head> MetaCharSet= "Utf-8"> title>Untitled Documenttitle> Scriptlanguage= "JavaScript"> functionP (name) {if (!( This instanceofP))return NewP (name); //return new P (arguments); //var _this = this = = =

This point to the problem can definitely row JS Top 5 The most difficult and most important problem, beginners often do not know where this point, especially to learn Java and C # People, think I also confused for a long time, until the butterfly

I've been watching https://developers.arcgis.com/javascript/beta/sample-code/index.html for a while,Look directly at the picture below:Overlay the two-dimensional ArcGIS Server service, is cool ~ ~ ~Added 3-dimensional elements, still in the test ~ ~

function inherit (p) {if (p = = null) throw TypeError (); P is an object, but cannot be nullif (object.create)//If object.create () existsReturn Object.create (P); Use it directlyvar t = typeof P; Otherwise further detectionif (t!== "Object" && t!==

The JavaScript SweetAlert plug-in implements the cool message warning box and the sweetalert cool. Today, we recommend a nice and awesome message warning box-SweetAlert. SweetAlert is a native js prompt box that does not require jQuery support. The

A complete example of the pendulum Effect Based on canvas and a canvas pendulum instance This example describes the pendulum Effect Based on canvas. We will share this with you for your reference. The details are as follows: The running effect is as

JS drag-and-drop components for learning and use. js drag-and-drop Components JavaScript code needs to be frequently written, otherwise it is easy to get unfamiliar. Recently, although I have been looking at knowledge points such as JavaScript

JavaScript time operations-Year-month-day-week cascade operations, javascript year-month-day This article introduces the detailed code of the cascade date selection operation for JavaScript time operations. The details are as follows: : Code:

Detailed description of the usage of localStorage in JavaScript, and detailed description of localstorage LocalStorage is mainly used to replace cookies and solve the read/write difficulties and limited capacity problems of cookies (refer to the

JQuery implements the left and right moving focus chart, and jquery implements the focus chart. This example describes the left-right moving focus chart implemented by jQuery. We will share this with you for your reference. The details are as

Select drop-down menu cannot be used for connecting to a in Firefox. select drop-down menu The select drop-down menu cannot be used for connecting to a in Firefox:If the select drop-down menu is enclosed in link a, the selected effect cannot be

CSS learning notes -- learning to locate the position attribute and learning notes position One of the remaining questions before learning today is the position attribute of CSS. First, problems related to position are summarized: The first question:

Examples of 3D Rotation Code implemented by CSS3 and css33d rotation code Examples of 3D Rotation Code implemented by CSS3:This section describes the 3D Rotation effects of CSS3 through code examples. The emergence of css3 allows you to set more

Based on HTML + CSS, the simple calculator compiled by jQuery (added a keyboard listener) and cssjquery I have released a simple calculator. Today I made some modifications and added a keyboard listening event. You don't need to use the mouse to

To do what you want, you must first sharpen the tool-dreamweaver. To do what you want, you must first sharpen the tool.   1. A webkit kernel is built in, soReal-time ViewIt works the same as chrome. 2. the shortcut for the main browser in DW isF12So

Jquery implements simple full-selection and inverse-selection functions, and jquery implements full-selection. First, let's look at a simple example. jQuery implements full selection and unselection of CheckBox select Item 1 Item 2

Code example of the horizontal level-2 drop-down menu implemented by CSS3, and css3 drop-down menu Code example of the horizontal level-2 drop-down menu implemented by CSS3:The horizontal level-2 drop-down menu is very commonly used. For example,

Javascript removeChild () is used to delete nodes and subnodes. javascript deletes nodes. The following describes how to delete a node using Javascript removeChild (). The details are as follows: In Javascript, only one method to delete a node is

How to dynamically load javascript files and load javascript files using javascript How to dynamically load js files using javascript:Sometimes we need to dynamically load js files as needed. This chapter will briefly introduce how to implement this