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Angelos Chalaris
2020-09-15 16:28:04 +03:00
parent 040efd4380
commit 53c16dbf65
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8
snippets/initializeArrayWithRange.md
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@ -5,9 +5,9 @@ tags: array,math,intermediate
Initializes an array containing the numbers in the specified range where `start` and `end` are inclusive with their common difference `step`.
Use `Array.from()` to create an array of the desired length, `(end - start + 1)/step`, and a map function to fill it with the desired values in the given range.
You can omit `start` to use a default value of `0`.
You can omit `step` to use a default value of `1`.
- Use `Array.from()` to create an array of the desired length, `(end - start + 1)/step`, and a map function to fill it with the desired values in the given range.
- You can omit `start` to use a default value of `0`.
- You can omit `step` to use a default value of `1`.
```js
const initializeArrayWithRange = (end, start = 0, step = 1) =>
@ -18,4 +18,4 @@ const initializeArrayWithRange = (end, start = 0, step = 1) =>
initializeArrayWithRange(5); // [0,1,2,3,4,5]
initializeArrayWithRange(7, 3); // [3,4,5,6,7]
initializeArrayWithRange(9, 0, 2); // [0,2,4,6,8]
```
```