JavaScript

The recent project, which involves the use of promise in JavaScript, has done a little testing and found that it is not as simple as it is, and the water is deep, so find Mr. N (my mentor) and get professional guidance. Mr. N also do not know, but

Scene switch in Main.js, the Startscene as our init run scene, the code is as follows: CC. Loaderscene.preload (g_resources, function  ()  {         Cc.director.runScene (New playscene ());     }, this); Add the scene switch code to the response

A line of Magic JS Code, is in a blog park inside see, then I was shocked, this is not the legendary ZB magic ... Haha (decisively reproduced over). The reason for writing an article is that before the group of Ink dust sent a section of JS code, as

1 functionClone (OBJ) {2 varbuf; 3 if(OBJinstanceofArray) {4BUF = [];//to create an empty array5 vari =obj.length;6 while(i--) {7Buf[i] =Clone (Obj[i]);8 }9 returnbuf;Ten } One Else if(OBJinstanceofObject) {

 Cookie object:is a user data information (cookie data) stored in the cookie folder of the client's hard disk in the form of a file (cookies file). The cookie file is established by the Web site visited to hold the session data between the client

Javascript--toFixed () function1. toFixed (n) limit the number of digits after the decimal point, rounded. N:0~20.2. The action object must be number and cannot be a different type. such as (8.001). toFixed (2) return to 8.00; 3. ToFixed (n) the

First, the circulationLoop structure: An operation that executes repeatedly when a specific condition is met. Loop four elements: Loop variable, loop condition, loop increment, loop body.First type: While loop. while (conditional expression) {loop

First, overview:Functions are the basis for modular programming, and JavaScript's heavy functions are different from other languages, and each function is maintained and run as an object. By the nature of the function object, it is convenient to

Before reading the article, please read this article of Nanyi teacher first http://www.ruanyifeng.com/blog/2009/08/learning_javascript_closures.htmlWritten by the predecessors, and written very well, there is no need to repeat it. Just add some of

11th LessonString Object Introduction1: Propertiesin JavaScript, you can use single quotes, or one character enclosed in double quotation marks, asan instance of a character object, so you can add it after a string. To invoke Stringthe properties

JavaScript definition? It is a scripting language and requires a host file whose host file is an HTML file. What does JavaScript have to do with Java ? No direct contact, java Yes sun Company (already gone, was oracle Span style=

　　1 Object Direct Volumevar obj={"Property name 1": Value 1,"Property Name 2": Value 2,..."Method Name 1": function (){... this. Property name ...}}JS in everything is an object, all objects are the bottom of the hash arrayHow to access properties:(1

　　the first thing to say is that thepoint of this is not deterministic at the time of the function definition, and only when the function is executed can you determine who this is pointing to, In fact, this ultimately points to the object that

Detailed explanation of CSS3 transition- and css3 transition 0. Prepare the environment   (1) transition requires the support of the browser. To use these attributes, you must add the browser vendor prefix. The chrome 49 I use does not require the

JQuery EasyUI datagrid can still record the implementation code of the selected row after turning pages. jqueryeasyui 1. The code after the problem is solved first "> Step 2 Add coupon step 1: Enter the basic information of

Summary: six types of iterators in javascript and six types of javascript 1. forEach iterator The forEach method receives a function as a parameter and uses this function for each element in the array. Only this function is called, and the array

Use jQuery in Node. js and node. jsjquery First, install jquery and npm install jquery. The installed version is 3.1.0. Next, first we will use var $ = require ('jquery '). Save the following code as app. js Var $ = require ('jquery ') $ ("body "

After setting the float floating attribute for li, the outer ul cannot be opened ., Floatul This problem has been encountered several times in the project recently and is caused by floating. Although is used to escape the normal document stream, it

CSS (4): Background + deformation, css background Deformation Background-origin Set the original start position of the element background image. Make sure that the background is background-repeat and no-repeat.This attribute takes

Common html tags and common html tags I started to learn about the front-end. Html full name Hyper TextMarkup Language The following describes commonly used html element tags. H1 h2 h3 h4 h5 h6 level 6 title label Use li Ol ordered list label