Array Map Example Javascript
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Array Map Example Javascript
Map () does not execute the function for empty elements. On one end, there is an array (a) you want to operate on. The following code takes an array of numbers and creates a new array containing the square roots of the numbers in the first array.
The following code takes an array of numbers and creates a new array containing the square roots of the numbers in the first array. This example use array map () method to return the square of array elements. Map () does not change the original array.
Map () takes in all elements in that array (a), performs a consistent action on each of those elements, and returns them into a new array (b).
Mapping an array of numbers to an array of square roots. Map () calls a function once for each element in an array. // roots is now [1, 2, 3] // numbers is still [1, 4, 9] copy to clipboard. Map () does not execute the function for empty elements.
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