javascript. gen a array of n element code example
Example 1: get first 10 items of array javascript
const list = ['apple', 'banana', 'orange', 'strawberry']
const size = 3
const items = list.slice(0, size) // res: ['apple', 'banana', 'orange']
Example 2: create range array javascript
[...Array(10).keys()]
//=> [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
Example 3: es6 create array with increasing number
Array.from(Array(10).keys())
//=> [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]