JavaScript--ES6标准 摘要: 概述 基本组成 ECMAScript、DOM、BOM JS的特点 解释型语言 类似于C和Java语法结构 基于原型的面向对象 基本使用 JS编写的位置 可以将js代码写在标签属性中 虽然可以写在标签属性中,但是属于结构和行为耦合,不方便使用,不推荐 可以通过script标签引入外部文件,可以多文件使 阅读全文 post...
ES6 let str = `Release Date: ${date}`多行字符串使用模板文字语法,JavaScript字符串可以跨越多行而无需串联。ES5 var str = 'This text ' + 'is on ' + 'multiple lines' ES6 let str = `This text is on multiple lines`隐式返回return关键字是隐含的,如果使用没有块体的箭头函数,可以省略它。ES5...
console.log(str); // Release Date: 2020-10-20,3 1. 2. 3. 多行字符串 使用模板文字语法,JavaScript字符串可以跨越多行而无需串联。 let str = `This text is on multiple lines` 1. 2. 3. 带标签的模板字符串 使用模板文字语法,JavaScript字符串可以跨越多行而无需串联。 const name = "tom"; ...
Since this long time passed between ES5.1 and ES6, the release is full of important new features and major changes in suggested best practices in develo JavaScript programs. To understand how fundamental ES2015 is, just keep in mind that with this version, the specification went from 250 pages...
java冯坚持 | 7月前 | JavaScript 前端开发 Java VUE学习四:前端模块化,ES6和ES5如何实现模块化 这篇文章介绍了前端模块化的概念,以及如何在ES6和ES5中实现模块化,包括ES6模块化的基本用法、默认导出与混合导出、重命名export和import,以及ES6之前如何通过函数闭包和CommonJS规范实现模块化。 242 0 0 程序员小...
(5)); // Promises, see // http://www.slideshare.net/domenicdenicola/callbacks-promises-and-coroutines-oh-my-the-evolution-of-asynchronicity-in-javascript // https://github.com/petkaantonov/bluebird/#what-are-promises-and-why-should-i-use-them Promise.resolve(5).then(function (value) { ...
Promises allow you to more easily write asynchronous code in JavaScript. Learn their syntax in this quick post.
letstr=`Release Date:${date}` MDN Reference: Expression interpolation Multi-line strings Using template literal syntax, a JavaScript string can span multiple lines without the need for concatenation. ES5 Copy varstr='This text '+'is on '+'multiple lines' ...
Spina wraps Backbone, rather than replacing it, and makes it more suitable for modern JavaScript development. It introduces the following: Restored ability to definedefaults,url, etc. as attributes in ES6-based Backbone subclasses (usingclass ... extends ...) ...
New with ES6 / ES2015, rest parameters allow you to more easily work with functions with an arbitrary number of arguments passed-in.