Setters are most often used in conjunction with getters to create a type of pseudo-property. If the computation is expensive to run, consider memoizing it. Dynamic object keys (computed property names) are awesome! computed property names mdn JavaScript function: get: Computed property names. 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 . let and const bindings (complete) ECMAScript 6, MDN. Starting with ECMAScript 2015, you can also use expressions for a computed property name to bind to the given function. 857k 118 118 gold badges 1150 1150 … computed property names mdn Shorthand Property and Method Names in JavaScript | ES6 「計算されるプロパティ名」。. JavaScript operator: Destructuring assignment: Computed … Unlike python dictionary, javascript objects need not have quotes around properties.. “Javascript: Computed Property Names (ES6)” is published by tejesh p in Frontend Weekly. nam e = '钢铁侠' person. 動的にプロパティ名を設定できるようになりました。（現代 … Destructuring assignment - JavaScript | MDN This, along with the new utility types, unlocks computed property names, simple getter-setter interfaces and more. Computed Property Names (on the Destructuring Assignment page) appear to be supported in Safari. Description. 添加或修改 属性 const person = {} person. how long can stink bugs live without air. More info: MDN Classes Enhanced Object Literals. How to Set Dynamic Property Keys with ES6 - SamanthaMing.com ? Computed Property Names This feature in ES2015 allows you to create property names dynamically on an object. ES2015 | Web | Google Developers They are called "computed property names" From MDN: Starting with ECMAScript 2015, the object initializer syntax also supports computed property names. This is an experimental technology, part of the ECMAScript 6 (Harmony) proposal. Improve this answer. Computed Property Names - Appears supported in Safari … JavaScript Computed Properties I said ‘moo’ to this cow but it didn’t appear to understand. So, it can be any string, including '1foo', '!bar! It's not much harder when the property name is not a valid identifier: const answer = { "life the universe and everything": 42 }; But did you know that in ECMAScript 2015 you can use computed values in object literals property names? how did you know that a song is a poem . GitHub - lukehoban/es6features: Overview of ECMAScript 6 …