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What are the new features of es6
The new features of es6 are: 1. Block-level scope; 2. Arrow functions; 3. Destructuring assignment; 4. Default parameters; 5. Extension operators; 6. Template strings; 7. Classes and modules; 8. Iterators and generator; 9. Promise object; 10. Modular import and export, etc. This topic provides you with articles, downloads, and course content related to the new features of es6 for everyone to download and experience for free.
What are the new features of es6The new features of es6 are: 1. Block-level scope, where variables can be declared in block-level scope; 2. Arrow function, a new way of declaring functions; 3. Destructuring assignment, a way to extract values from an array or object and assign a value to a variable; 4. Default parameters, allowing default values to be provided for parameters when defining functions; 5. Extension operators, which can expand arrays or objects and extract elements; 6. Template strings; 7. Classes and modules; 8. Iterators and generators; 9. Promise objects; 10. Modular import and export, etc.- Overview of ES6's new features_javascript skillsNick Justice is a member of the GitHub Developer Program. Long before the ES6 language standard was released, he used transpilers like Babel and the latest versions of browsers to use ES6 features in his projects. He believes that the new features of ES6 will greatly change the way JavaScript is written.
ES6 new features development WeChat applet (6)Metaprogramming is when developers "program the language itself." Generally, the programming language exposes some APIs for developers to operate certain features of the language itself. Starting from ES6, new Proxy and Reflect features have been added, and metaprogramming (Meta Pro...
ES6 new feature: Delayed object Promise built in JavaScript code detailsBasic use of Promise: Using Promise is to solve the problem of nested callback functions in JS asynchronous execution, and control the function execution process more concisely; instantiate Promise through new, the constructor requires two parameters, the first parameter is function execution The function resolve that is executed after success. The second function is the function reject that is executed after the function fails: new Promise(function(resolve, reject) { }); Through Promise, we write the callback function in a linear way.
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