How to find the maximum value of an array and its subscript by javascript

This article will explain in detail how to find the maximum value of the array and its subscript for javascript. The editor thinks it is very practical, so I share it with you for reference. I hope you can get something after reading this article.

Methods: 1. Use the "Math.max (... arr)" statement to find the maximum value max;2 of the arr array, and use the "arr.map (item = > item) .indexOf (max)" statement to find the subscript value according to the maximum value.

The operating environment of this tutorial: windows7 system, javascript1.8.5 version, Dell G3 computer.

Javascript calculates the maximum value of the array and its subscript

The idea of realization is:

1. Use the Math.max () method to find the maximum value of the array.

2. Get the subscript in the array according to the maximum value

Implementation code:

Var arr=; var max=Math.max (.arr); console.log ("maximum:" + max); var index = arr.map (item = > item) .indexOf (max); console.log ("array of maximum values:" + index)

Output result:

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