MaxInterview - enum in javascript es6

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1const daysEnum = Object.freeze({
2  monday: 0,
3  tuesday: 1,
4  wednesday: 2,
5  thursday: 3,
6  friday: 4,
7  saturday: 5,
8  sunday: 6
9});

1const seasons = {
2  SUMMER: {
3    BEGINNING: "summer.beginning",
4    ENDING: "summer.ending"
5  },
6  WINTER: "winter",
7  SPRING: "spring",
8  AUTUMN: "autumn"
9};
10
11let season = seasons.SUMMER.BEGINNING;
12
13if (!season) {
14  throw new Error("Season is not defined");
15}
16
17switch (season) {
18  case seasons.SUMMER.BEGINNING:
19  // Do something for summer beginning
20  case seasons.SUMMER.ENDING:
21  // Do something for summer ending
22  case seasons.SUMMER:
23  // This will work if season = seasons.SUMMER
24  // Do something for summer (generic)
25  case seasons.WINTER:
26  //Do something for winter
27  case seasons.SPRING:
28  //Do something for spring
29  case seasons.AUTUMN:
30  //Do something for autumn
31}

1const DaysEnum = {"monday":1, "tuesday":2, "wednesday":3, ...}
2Object.freeze(DaysEnum)
3

1const daysEnum = Object.freeze({
2  monday: Symbol(0),
3  tuesday: Symbol(1),
4  wednesday: Symbol(2),
5  thursday: Symbol(3),
6  friday: Symbol(4),
7  saturday: Symbol(5),
8  sunday: Symbol(6)
9});

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