JavaScript

(1) Join function: Converts and joins all elements in an array to a string. Cases:　　　　[JavaScript]View Plaincopyprint? function Joindemo () { var a, b; A = NewArray (0,1,2,3,4); b =a.join ("-"); //Delimiter return (b);

Sneak in and briefly introduce anonymous and closure functions and object-oriented programming in JavaScript. Let's start with a brief introduction to the secret name function in JavaScript.In JavaScript, functions are defined in the following 3

Mouseup,mousedown,mousemove, popup drag effect, JavaScript

Util=function () {return {$:function (ID) {return document.getElementById (ID);},Trim:function (str) {Return Str.replace (/(^\s+) | ( \s+$)/g, "");},Len:function (str) {Return str.replace (/[^\x00-\xff]/g, ' * * '). length;},Format:function (str)

A string is defined in JavaScript by double or single quotation marks. the string object has only one property: The length property , which gets the lengths of the strings. Methods for handling the string itselfCharAt (Index)Returns a character at

There are three methods for JavaScript regular expression-related string objects:1,match().2,replace().3,search().Match ()Match (REGEXP);Searches for a string using the specified regular expression.Returns an array if a matching string is found,

JavaScript built-in objects include:String,Array,Math,Date,Boolean,number,Event, RegExp.Using the properties and methods of the built- in object requires that an instance of the built -in object be created with the New keyword and constructor ,

DOM note (13): inheritance of JavaScript Java, C ++, C #, and other OO languages support two inheritance Methods: interface inheritance and implementation inheritance. The interface inherits the method signature, while the inheritance inherits the

Three. js source code annotation (fifty-three) Material/MeshLambertMaterial. js   /*** @ Author mrdoob/http://mrdoob.com/* @ author alteredq/http://alteredqualia.com/** parameters = {* color: , * Ambient: , * Emissive: , *

Three. js source code annotation (fifty-eight) Material/RawShaderMaterial. js   /*** @ Author mrdoob/http://mrdoob.com/* // RawShaderMaterial method creates a material type for the custom shader according to the parameter parameters, such a

Load the js dependency module according to the configuration file, and configure the file js dependency Requirements: According to the following configuration fileCopy codeThe Code is as follows:Module = [{'Name': 'jquery ', 'src':'/js/lib/jquery-1.8

Understand javascript callback functions and javascript callback Functions Pass the function as a parameter to another function. This function is called a callback function. In this case, different personnel work together on Layer A and layer B of A

Introduction to one-piece JavaScript design patterns and javascript Design Patterns Single-piece mode description 1. note: The single-piece mode is an object that has been instantiated during static access. This object can only be accessed through

Angularjs basics and angularjs Basics In fact, I don't know who to write or where to start. So here I will write it based on a simple idea. 1. angular. element2. angular. Bootstrap We know very well that the ng-app is applied to the node and angular

Examples of append () method usage in jQuery, jqueryappend This document describes the append () method usage in jQuery. Share it with you for your reference. The specific analysis is as follows: This method can append HTML content to the internal

JS and design patterns ------ SingletonI. general summary 1. It is not difficult to understand the singleton mode as the name suggests. It is the only instance that generates a class and will be used in our actual development, it is a creation mode.

Using jquery to dynamically load js files, jquery dynamically loads js files The method is very simple. Here there is not much nonsense, and the code is provided directly: Copy codeThe Code is as follows:$. Extend ({IncludePath :'',Include: function

Pure JavaScript chart component dhtmlxChart DhtmlxChart is also a JavaScript-based chart application component. Similar to the previously shared xCharts, dhtmlxChart also provides a rich array of chart types. It should be said that compared with

Convert JSON data into a modelConvert JSON data into a model// 1. Create a urlNSURL * url = kSUNUrl (@ "video ");// 2. Create a requestNSURLRequest * request = [NSURLRequestrequestWithURL: url];// 3. Send request dataNSOperationQueue * queue =

Jquery & amp; js $ (this) & amp; thisPreface: when using jquery to operate JavaScript, I often don't understand this and $ (this ). Take the time to test it carefully and record it for reference when you forget it! $ (This) What is generated $ ()