array-map-x
v3.1.2 Array map module javascript nodejs browser
array-map-x
Creates an array with the results of calling a function on every element.
module.exports
⇒ array
⏏
This method creates a new array with the results of calling a provided function on every element in the calling array.
Kind: Exported member
Returns: array
- A new array with each element being the result of the
callback function.
Throws:
TypeError
If array is null or undefined.TypeError
If callBack is not a function.
Param | Type | Description |
---|---|---|
array | array |
The array to iterate over. |
callBack | function |
Function that produces an element of the Array. |
[thisArg] | * |
Value to use as this when executing callback. |
Example
import map from 'array-map-x';
const numbers = [1, 4, 9];
console.log(map(numbers, Math.sqrt));// [1, 2, 3]
console.log(numbers)); // [1, 4, 9]