ecmascript 6 book

At the end of July 2014, another meeting of TC39 finalized some of the last details about the ECMAScript 6 modular syntax. This article provides a complete overview of the ES6 module system. 1. The current JavaScript module system. JavaScript does not currently have built-in methods to support modularity, but the community has created a very good workaround. Two important (unfortunately mutually incompatibl

Simple use of JavaScript class class encapsulation based on ECMAScript 6, ECMAScript 2015 Article source blog.csdn.net/joyous/article/details/79102169 Create a JS file test.js In the following example, we first define a class named Polygon, and then inherit it to create another class named Square. Note that the super () used in the constructor can only be used in

Ecmascript 6 and spread OperatorExpand operator. Converts an array to a continuous parameter. Ecmascript 6 and rest parameterVariable parameters. Process variable objective function parameters. Ecmascript 6 and object literal

a file with the following code:GULP.SRC ("Src/**/*.js"). Pipe (Gulp.dest ("dist")); Read all JS under SRC, write to dist directoryEach operation of the gulp returns a Stream object, and all operations are performed in memory without the need to manipulate the disk, which greatly increases the build speed.8.3.2 Preprocessing tasksIn the previous section, the installation, configuration, and definition and execution of the grunt task are described in gulp. This section describes compiling

Refer to Nanyi's book ECMAScript 6 primer, thanks Nandashin! Let and const command let command ES6 has a new let command to declare variables. Its usage is similar to Var, but the declared variable is valid only within the code block where the Let command resides. Basic usage var a = [];for (var010; i++) { function () { conso

This article describes ECMAScript 6, which is about to bring us new array manipulation methods and how to apply these new array features to existing browsers. Note: I will use the alternating constructor (constructor) and Class (class) two terms. Class methodThe method owned by the array itself. Array.from (Arraylike, Mapfunc, Thisarg?) The basic function of Array.from () is to convert the two types of

Original article: http://www.nczonline.net/blog/2012/11/06/ecmascript-6-collections-part-3-weakmaps/ WeakMapSimilar to the conventionalMapThey map a value to a unique key, and then they can be used to obtain the corresponding value.WeakMapAndMapThe difference is that its key can only be the object value, not the original value. Although this restriction looks strange, it is exactly this that makesWeakMapIt

Original address: http://www.moye.me/2014/11/10/ecmascript-6-generator/IntroductionOld listen to people say koa Dafa good, these two days I also rushed to fashion: with N to install node 0.11.12, under a KOA Open Harmony mode test water. In the education of a series of documents and posts, it is probably recognized that: KOA is a new generation of web frameworks dominated by TJ God KOA Middlewa

One of the most reasonable javasscript coding specifications. _ Translate from:Https://github.com/airbnb/javascript Note : This guide assumes that you are using Babel and requires that you use BABEL-PRESET-AIRBNB or a comparable preset plug-in. It also assumes that you are installing shims/polyfills, utility airbnb-browser-shims, or equivalent plug-ins in your application. directory type referencing object array deconstruction String function arrow function class and constructor module iterator

[cagkey] = Cagvalue; }} OB = new Proxy (ob, pro); ob.like = ' man ';The function defined within the set will be triggered automatically when the listener changes, and the 3 values in the parameter list are defined by default, in order: the modified object, the object's key, and the object's value.It is important to note that if you trigger a listener for an element, its original modification process will be blocked (if you do not take this step), so we need to explicitly modify it.The results

"src =" http://img1.51cto.com/attachment/201409/4/2754337_1409796721EKU3.png "" 624 "Height =" 360 "/> On the exchange server, we use powershell to update the offline Address Book, get-offlineaddressbook | Update-offlineaddressbook. 650) This. width = 650; "Title =" image "style =" border-top: 0px; border-Right: 0px; Background-image: none; border-bottom: 0px; padding-top: 0px; padding-left: 0px; margin: 0px; border-left: 0px; padding-right: 0px

2008 I bought a book called "PHP 6", 2008 PHP Last Sunday, I felt I should tidy my bookcase. So, in the bookcase, I found an almost completely forgotten book (I can't remember why to buy it!) ): PHP 6– Fast and concise web development The book was published in January 2008.

Last Sunday, I felt I should tidy my bookcase. So, in the bookcase, I found an almost completely forgotten book (I can't remember why to buy it!) ): PHP 6– Fast and concise web developmentThe book was published in January 2008. And six years later today, the latest version of PHP is still 5.5 5.6 (when I wrote this blog, PHP 5.6 was released, but in fact, this ma

Samsung has quietly exposed the new notebook computer Ativ Book 6 will be listed in the United States, the price is expected to be 1199.99 U.S. dollars (about 7430 yuan). Ativ Book 6 is equipped with a Windows 8 system with a 15.6-inch 1920x1080 resolution Full HD display with four core Intel Core™ i7 processor, 8GB m

Last Sunday, I felt I should tidy my bookcase. So, in the bookcase, I found an almost completely forgotten book (I can't remember why to buy it!) ): PHP 6? Fast and concise web development " The book was published in January 2008. And six years later today, the latest version of PHP is still 5.5 5.6 (when I wrote this blog, PHP 5.6 was released, but in fact, th

FAULT null, ' status ' int (one) default NULL, ' address ' varchar (+) default NULL, ' uid ' char (+) default null , PRIMARY key (' oid '), key ' Fk_t_order_t_user ' (' uid '), CONSTRAINT ' Fk_t_order_t_user ' FOREIGN KEY (' uid ') REFERENCES ' T_user ' (' uid ')) Engine=innodb DEFAULT charset=utf8;insert into ' t_order ' (' oid ', ' ordertime ', ' total ', ' Status ', ' address ', ' uid ') VALUES (' 058f48da33694c6d8f5c2c13f3d26cea ', ' 2013-12-26 21:47:04 ', ' 95.30 ', 1, ' Ms. Li Jiey

The reason why the previous chapters are not recorded is that this is my first reading note.In fact, there are a lot of records worth recording in the previous chapters. Let's just say a few words here. For example, when hackers and painters talk about mathematicians, they say: Everyone in the scientific community secretly believes that mathematicians are smarter than themselves. (P22) Then the hacker should realize that he and other creators, such as writers and painters, are the

Describe Below is a price list for a book:Introduction to calculation 28.9 yuan/bookData structure and algorithm 32.7 yuan/ThisDigital logic 45.6 yuan/ThisC + + Programming tutorial 78 yuan/BookAi 35 Yuan/ThisComputer architecture 86.2 Yuan/ThisCompilation principle 27.8 Yuan/thisOperating system 43 Yuan/ThisComputer network 56 Yuan/ThisJava programming 65 Yuan/ThisGiven the quantity purchased for each type of book, the total cost to be c

Last night I ' d discovered that Charlie couldn ' t cook much besides friedeggs and bacon.Last night I finally found out that Charlie wouldn't do anything except fried eggs and bacon.So I requested that I am assigned kitchen detail for the duration of my stay.So I asked me to arrange for the details of the kitchen when I was there.So I asked me to take over the kitchen during the time I lived here.He was willing enough-hand over the keys to the banquet hall.He was willing to give me the key to t

")); return false;//No subsequent statements are executed}//To the background verify that the verification code is correct//use AJAX to the backend server to verify the $.ajax ( { URL:"/goods/userservlet", Data:{method: "Validateverifycode", Verifycode:content}, Where method refers to the way to access the Userservlet; Type: "POST", DataType: "JSON", Async:false,//Select synchronization here, if the selection of asynchronous operation has not been to the server to complete the resu