es6 curry function // vuex getters export const getAdsFilterConfig = (state) => (spreader) => { console.log('state =', state) console.log('spreader =', spreader) return state[spreader]; }; // this.getAdsFilterConfig(this.spreaderAlias); // export co…

vue & lifecycle methods & this bug ES6 Arrow function & this bind bug bad fetchTableData: (url = ``, options = {}) => {} // arrow function & this bind bug! // fetchTableData: (url = ``, options = {}) => { fetchTableData (url = ``, op…

ES6 Arrow Function & this bug let accHeadings = document.querySelectorAll(`.accordionItemHeading`); // NodeList(3) // let accHeadings = [...document.querySelectorAll(`.accordionItemHeading`)]; for (let i = 0; i < accHeadings.length; i++) { accHeadi…

ES6 Arrow Function All In One this const log = console.log; const arrow_func = (args) => log(`args =`, args); // OR const arrow_func = args => log(`args =`, args); const arrow_func = (arg1, arg2) => { log(`args =`, args); // return void 0; } 应用场景…

ES6 arrow function vs ES5 function ES6 arrow function 与 ES5 function 区别 this refs xgqfrms 2012-2020 www.cnblogs.com 发布文章使用:只允许注册用户才可以访问!…

ES6 Arrow Function return Object https://github.com/lydiahallie/javascript-questions/issues/220#issuecomment-523736303 js arrow function return object https://github.com/lydiahallie/javascript-questions/issues/220 https://github.com/lydiahallie/javas…

语法: () => { … } // 零个参数用 () 表示: x => { … } // 一个参数可以省略 (): (x, y) => { … } // 多参数不能省略 (): 当我们使用箭头函数时,函数体内的this对象,就是定义时所在的对象,而不是使用时(执行时)所在的对象.并不是因为箭头函数内部有绑定this的机制,实际原因是箭头函数根本没有自己的this,它的this是继承外面的,因此内部的this就是外层代码块的this. 箭头函数有几个使用注意点. (1)函数体内的this…

Functions are values, and we can manipulate function values in interesting ways.Currying allows us to produce a new function by combining a function and an argument: var add1 = add.curry(1); document.writeln(add1(6)); add1 is a function that was crea…

看到一篇非常不错的文章,这里分享给大家:http://www.jianshu.com/p/fa3568087881. 首先,柯里化的定义:你可以只透过部分的参数呼叫一个function,它会回传一个function 去处理剩下的参数. 我们从最简单的栗子开始: var add = function(a) { return function(b) { return a + b; } } var addTen = add(10); addTen(5); // 15 同时,我们还可以这样调用: add…

ES6 arrow function is somehow like CoffeeScirpt. CoffeeScript: //function call coffee = -> coffee() coffee=(message) -> coffee("Yo"), coffee "Yo" coffee=(message, other) -> coffee("Yo", 2), coffee "Yo", 2 N…