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hellowouter on 03/30/12

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Last Edited at 03/30/12 06:36pm

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Using Math.min and Math.max for an array

/ Published in: JavaScript

Clever usage of apply allows you to use built-ins functions for some tasks that otherwise probably would have been written by looping over the array values. As an example here we are going to use Math.max/Math.min to find out the maximum/minimum value in an array.

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/* min/max number in an array */
var numbers = [5, 6, 2, 3, 7];
 
/* using Math.min/Math.max apply */
var max = Math.max.apply(null, numbers); /* This about equal to Math.max(numbers[0], ...) or Math.max(5, 6, ..) */
var min = Math.min.apply(null, numbers);