Unlike python dictionary, javascript objects need not have quotes around properties.. “Javascript: Computed Property Names (ES6)” is published by tejesh p in Frontend Weekly. computed property names typescript Computed Property Names in JavaScript - ui.dev They are called "computed property names" From MDN: Starting with ECMAScript 2015, the object initializer syntax also supports computed property names. missing in computed property name - astiempo.org document['createElement']('pre') ES6 计算属性 名 ES6 中引入了 计算属性 名，英文是 computed property names ，它可以在对象字面量中动态 计算属性名称 。 我们知道添加或修改对象的 属性 有两种常用的方法，一种是使用 . ES2015 | Web | Google Developers Starting with ECMAScript 2015, the object initializer syntax also supports computed property names. modules (import and export) ECMAScript 6, ECMAScript 2018, MDN, … Introduction to JavaScript Computed Property. ES6's "Computed Property Names" feature allows you to have an expression (a piece of code that results in a single value like a variable or function invocation) be computed as a property name on an object. YAY! Together, these also bring object literals and class declarations closer together, and let object-based design … When the regular expression exec() method finds a match, it returns an array containing first the entire matched portion of the string and then the portions of the string that matched each parenthesized group in the regular expression. Contribute to discountry/ES6-for-React development by creating an account on GitHub. That allows you to put an expression in brackets [], that will be computed and used as the property name.This is reminiscent of the bracket notation of the property accessor syntax, which you may have used to read and set properties already.. Now you can use a similar … This is one of the best features of ES6 I have seen, because it allows you to write more declarative and beautiful code.
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