typescript number array code example
Example 1: typescript integer
const myInt: number = 17;
const myDecimal: number = 17.5;
Example 2: typescript array
let list: number[] = [1, 2, 3];
let list: Array<number> = [1, 2, 3];
Example 3: typescript one of array
function stringLiterals<T extends string>(...args: T[]): T[] { return args; }
type ElementType<T extends ReadonlyArray<unknown>> = T extends ReadonlyArray<infer ElementType> ? ElementType : never;
const values = stringLiterals('A', 'B');
type Foo = ElementType<typeof values>;
const v1: Foo = 'A'
const v2: Foo = 'D'
Example 4: typescript array
let list: number[] = [1, 2, 3];
Example 5: type script array
let list: number[] = [1, 2, 3];