typescript array
// let arr_name, elemType[];
let list: number[] = [1, 2, 3];
// Generic array type, Array<elemType>:
let list: Array<number> = [1, 2, 3];typescript array
// let arr_name, elemType[];
let list: number[] = [1, 2, 3];
// Generic array type, Array<elemType>:
let list: Array<number> = [1, 2, 3];typescript array
let list: number[] = [1, 2, 3];typescript type from array
const animals = ['cat', 'dog', 'mouse'] as const
type Animal = typeof animals[number]
// type Animal = 'cat' | 'dog' | 'mouse'create type as values of list typescript
// You can create your list as enums
enum statuses {
SETUP,
STARTED,
FINISHED
}
// Creates known string type
// 'SETUP' | 'STARTED' | 'FINISHED'
type StatusString = keyof typeof statuses
// JobStatus.status must match 'SETUP' | 'STARTED' | 'FINISHED'
export type JobStatus = {
status: StatusString
}array in typescript
const count = [...Array(5)];
count.map((_) => console.log('hi'));Copyright © 2021 Codeinu
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