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With the development of JavaScript itself, more and more people are beginning to prefer to use native javascript instead of various libraries, many of whom emit the voice of native JavaScript instead of JQuery. It's not a bad thing, but it's not

Spring Festival at home Idle Nothing, to see ES6, selected Ruan a peak big "ES6 Standard Primer" This book, understand the new JS specification. Here to do some reading notes. ECMAScript 6 Notice Currently, the newer versions of the major browsers

Template string This is one of the characteristics of the ES6 I like very much, very intuitive reaction to the relationship between the variable and the string, in ES5, if we want to add a variable in the string, we need to use the following

This pointer for JavaScript This in javascript has rich meanings. It can be a global object, the current object or any object, depending on the function call method. A function can be called in the following ways: as an object method call, as a

ECMAScript 6 (hereinafter referred to as ES6) is the next generation of JavaScript language standards. Since the current version of ES6 was released in 2015, it is also called ECMAScript 2015.In other words, ES6 is ES2015.While not all browsers are

------------- The function in JS is also an object The return value of the function is determined by return, and no return undefined 1. Function declaration method function add (A, b) {A = a + A;　　　　　b =

ECMAScript 6 (hereinafter referred to as ES6) is the next generation of JavaScript language standards. Since the current version of ES6 was released in 2015, it is also called ECMAScript 2015.In other words, ES6 is ES2015.While not all browsers are

The This keyword is a very special keyword in Javascript that is automatically defined in the scope of all functions. This provides a more elegant way to implicitly "pass" a reference to an object. For today, this is the point of this question.This

JS in this and pure object-oriented (java,c++) in the This is a little bit the same, because the scope is different, resulting in JS in the direction of this is ambiguous, this in Java refers to the current object of this or the current class of

First, iterator and for-of cycles In JS there are arrays and objects, ES6 and new set and map so JS has four kinds of data sets, so you can use them together, such as the array has objects, set, etc., which requires a unified interface mechanism to

In JavaScript this point has been the front-end Colleague's Heart disease, also is the first choice of the interview questions, now we will summarize the JS in the direction of This. First you need to understand several concepts:1: the global

The most commonly used ES6 featureslet, const, class, extends, super, arrow functions, template string, destructuring, default, rest argumentsThese are the most commonly used ES6 grammar, basically learn them, we can go all over the world is not

# # # Variables related toLetConst1. It is not possible to repeat the statement2. There are block-level scopesConst must be assigned at the time of declarationConst declared variable cannot be modified value# # # Objects related to1. Abbreviations

Overview of ECMAScript6 carousel chart practices, ecmascript6 carousel chart Template string This is one of my favorite features of ES6. It intuitively reflects the relationship between variables and strings. In ES5, if we want to add variables to

  Ecmascript 6 (es6) is the next-generation standard for JavaScript. Because the current version of es6 was released in 2015, it is also called ecmascript 2015. That is to say, es6 is es2015. Although not all browsers are compatible with all es6

Brief introduction ECMAScript 6 is the next standard for JavaScript, and is in the midst of rapid development, ECMAScript 6, which allows JavaScript to be used to write automated generators (code generator) for complex applications, functions

Most of the core APIs for Nodejs are based on asynchronous event-driven design, and all objects that can distribute events are instances of the Eventemitter class. As you know, because Nodejs is single-threaded, Nodejs needs event polling to

Hello everyone, here is "learn the Web series from scratch" and synchronize updates at the following address ... Github:https://github.com/daotin/web Public number: The top of the Web front Blog Park:

This is a ES2015 (ES6) Cheatsheet, which includes hints, tips, best practices, and some code snippets to help youComplete day-to-day development work. Table of Contents var and let/const declaration code execution Block Replace immediate execution

For most developers, the This keyword of JavaScript can cause a lot of trouble. Because JavaScript does not have a strict class model for languages such as Java, this point in the code is not clear unless you are dealing with callbacks. In general,