Javascript Transform Array To Map
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Javascript Transform Array To Map
A function to be run for each array element. Javascript web development object oriented programming. Let’s repeat the previous example using the map () method.
It takes as it’s argument an iterator function. It then stores the results of the function calls into a new array. I am displaying the array like this :
It takes as it’s argument an iterator function.
Array.map function () calls the callback for each element of array iteration and creates key and value elements, finally returning a new array of keys and values into the map constructor. The this argument will be used inside the callback function. Using array.from() since array.from() works on iterables such as map, you can simply pass it as an argument to array.from(). The return value of map will then be a new array, with every element of the original array transformed by the iterator function.
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