es6 course

its type in the array, rather than the string type. These two points are worth choosing for-of instead of forEach () or for-in. of course, some browsers do not support this yet. However, the above Code can be successfully executed in the latest FireFox version and get the expected results. Of course, for-of is not only used on arrays. You can use it on any class array objects, such as DOM NodeList and stri

are separated by commas.You can also rename the exported content using the following method. 1 export {generateRandom as random, sum as doSum}Let's take a look at how the other modules are the values of those exports.App.jsImport {generaterandom, sum} from ' utility '; Console.log (Generaterandom ());//logs a random Numberconsole.log (sum (1, 2));//3Note the first line. It will import values from the utility module. Of course, if you

command line.Two tools to install firstNPM Install Babel-cli-g (Babel command-line tool)NPM Install babel-perset-es2015Refer to http://babeljs.io/docs/plugins/preset-es2015/for specific useThis method is relatively fast and can be used as a primer practiced hand.　　2. Using the Babel online encoder　　　　You can write your ES6 code in http://babeljs.io/repl/and it will automatically turn you into ES5 code.Highly recommended!Of

The 10 best ES6 features not unknown in front-end development, and the es6 features cannot be included in the front-end development. To ensure readability, this article uses free translation instead of literal translation, and implements a lot of modifications to the source code. In addition, this article is copyrighted by the original author, and translation is only used for learning.

Welcome to ES6! New versions of JavaScript are getting closer and we will explore ECMAScript 6 new World together through a weekly series of courses. ES6 contains a number of new language features that will make JS stronger and more expressive. In the next few weeks, we'll get to know them in more detail. But before we start studying in detail, I think it's very necessary to spend a few minutes explaining w

ES6 new feature: Object change analysis, es6 new feature object This article describes the Object changes in the new features of ES6. We will share this with you for your reference. The details are as follows: Object changes 1. ES6 allows you to write only the attribute name in the object without the attribute value. T

ES6 Introduction to detailed reference pages the relationship between ECMAScript and JavaScript is that the former is the latter specification and the latter is an implementation of the former. Generally speaking, these two words can be interchangeable. Let command ES6 New Let command to declare a variable, which is similar to Var, but the declared variable is valid only in the block of code where the Let

does that mean?This means we will have the latest JavaScript core language standards this summer.This is undoubtedly a blockbuster news. As early as 2009, the previous version of ES5 just released, since then, the ES Standards Committee has been intensively preparing the new JS language standard--ES6.ES6 is a major version upgrade, and while ES6 is adhering to t

Hello everyone! The previous article has introduced the building folder, as well as loading JS files. Now let's talk about loading CSS, and understanding of BaseURL.1. Understanding of the project structureThe structure of a project is determined by the architecture of the project, and of course it can be smarter, but it doesn't make much sense. Look at my structure below.I used the third-party library (JS), the E