array from 1 to n javascript code example

Example 1: create an array from 1 to n javascript

Array.from(Array(10).keys())
//=> [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]

[...Array(10).keys()]
//=> [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]

Array.from({length: 10}, (_, i) => i + 1)
//=> [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]

Example 2: create range array javascript

[...Array(10).keys()]
//=> [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]

Example 3: js array of 1 to n

[...Array(10).keys()]

Example 4: javascript create array from 1 to n

// Javascript create array from 1 to n 

[...Array(n+1).keys()].slice(1)

// E.g. for n = 10:
// [...Array(11).keys()].slice(1)
// => [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]

Example 5: list from 1 to 100 js

[...Array(100).keys()]
//=> [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]

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