kenmori

//ex1 //値返す書き方
var myApp = angular.module('MyApp',[]);
myApp.factory('myUrlFactory',function myUrlFunc(){
 return 'https://github.com/kenjimorita/'; 
})

//ex2 //関数を返す書き方
var myApp = angular.module('MyApp',[]);
myApp.factory('myFunc',function($window){
 return{

kenmori

module moritaA{
    export interface Imorita {//(1)
        get: Function;
        num1: number;
        num2: number;
    }
    export class Aclass implements Imorita{
        public num1:number =  1
        public num2:number = 4
        constructor(){

kenmori

module A{
    interface ImoritaA{
        name:string;
    }
    class Aclass implements ImoritaA{
        constructor(public name){
            this.name = "fafa"
        }
        public func1= ()=>{//constructor外、無名関数を代入
        }

kenmori

var __extends = (this && this.__extends) || function (d, b) {
    for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];
    function __() { this.constructor = d; }
    __.prototype = b.prototype;
    d.prototype = new __();
};
var Person = (function () {
    function Person(name) {
        this.name = name;
    }

kenmori

//ex1 babel
function today() { return { d: 6, m: 2, y: 2013 }; }
var { m: month, y: year } = today(); // month = 2, year = 2013

//ex1 after
"use strict";
function today() {
  return { d: 6, m: 2, y: 2013 };
}
var _today = today();//関数名が「_変数」になっている

kenmori

// Bad
var o = {
    set a(value) {
        this.val = value;
    }
};

// Good
var o = {
    set a(value) {

kenmori

/*eslint array-bracket-spacing: [2, "never"]*/
var arr = [ 'foo', 'bar' ];   /*error There should be no space after '['*/ /*error There should be no space before ']'*/
var arr = ['foo', 'bar' ];                                                 /*error There should be no space before ']'*/
var arr = [ ['foo'], 'bar'];  /*error There should be no space after '['*/
var arr = [[ 'foo' ], 'bar']; /*error There should be no space after '['*/ /*error There should be no space before ']'*/
var arr = ['foo',
  'bar'
];
var [ x, y ] = z;             /*error There should be no space after '['*/ /*error There should be no space before ']'*/
var [ x,y ] = z;              /*error There should be no space after '['*/ /*error There should be no space before ']'*/

kenmori

JavaScript練習問題集

更新情報

・問題を追加(2024/4/12)
・リファクタリング(2023/4/22)
・Decoratorsに関する問題を追加(2020/6/6)

kenmori

問1

const a = {a: 'a'}とconst b = {b: 'b'} をマージしたc を出力してください e.g{a:'a',b:'b'}

const a = {a: 'a'};

kenmori

//mapを作成

var map1 = Immutable.Map({
 a: 1,
 b:2,
 c: 3
});]

//新しい配列やMapを返すところ。不変なオブジェクトを返す