*// 在 Node 中使用模块的正确姿势:constlog=require("./lib/util_for_node");constplArray=['Java','Kotlin','JavaScript','Python','Go'];// ES5 funvariter=plArray.map(function(e){return'Hi,'+e;})log(iter);// ES6 arrow funconstiterArrow=plArray.map(e=>`Hi,${e}`)log(iterArrow)...
This tutorial covers every version of JavaScript: The Original JavaScript ES1 ES2 ES3 (1997-1999) The First Main Revision ES5 (2009) The Second Revision ES6 (2015) The Yearly Additions (2016, 2017 ... 2021, 2022) Learning Speed In this tutorial, the learning speed is your choice. ...
《ECMAScript 6入门》是一本开源的 JavaScript 语言教程,全面介绍 ECMAScript 6 新增的语法特性。 - fory114/es6tutorial
JavaScript If you want to study these subjects first, find the tutorials on ourHome page. In addition, you should also have some experience with the new JavaScript features introduced in ECMAScript 6 (ES6), you will learn about them in theReact ES6chapter. ...
Symbol– A variable of this type is unique and immutable and was added in the ES6 version of JavaScript. Number– A variable of this type can be a whole number, decimal, negative number, or scientific notation. Object– A variable of this type is a composite type. It has properties and...
Last but not least, a killer advantage when using async/await is that it’s much easier to debug. Debugging promises has always been such a pain for 2 reasons You can’t set breakpoints in arrow functions that return expressions (no body). ...
Luke Hoban, ES6 features: ES6新语法点的罗列 Traceur-compiler, Language Features: Traceur文档列出的一些ES6例子 Axel Rauschmayer, ECMAScript 6: what’s next for JavaScript?: 关于ES6新增语法的综合介绍,有很多例子 Axel Rauschmayer, Getting started with ECMAScript 6: ES6语法点的综合介绍 Toby H...
Usually, we’d have some I/O operation, but for simplicity, let’s just use setTimeout and return a promise. (Note that ES6 also introduced native promises to JavaScript.) function asyncDouble(x) { var deferred = Promise.defer(); setTimeout(function(){ deferred.resolve(x*2); }, ...
TypeScript is called a superset of JavaScript, which means any valid JavaScript(ES6) code is also valid TypeScript code. This implies that TypeScript’s type-checking features are optional. We can start with plain JavaScript, then add TypeScript features to the code incrementally. ...
Go back to the iPhone desktop, long press, add a component, select the Scriptable application, check the widget code you just added, and complete the display effect 😃 Expressway More fun little objects click below javascriptscriptableios ...