java 递归求解数组中的最大值,递归查找数组中的最大值

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概述

I am trying to use recursion to find the maximum value in an array in JavaScript. I created the function, but cannot figure out how to do it recursively.

function Max(a) {

var a = [2,3,5];

return Math.max.apply(Math, a);

}

解决方案

Here is an example of a recursive function that takes an array of numbers and compares the first two, removes the lesser, and then calls itself again on the given array minus the removed number.

function max(numArray)

{

// copy the given array

nums = numArray.slice();

// base case: if we're at the last number, return it

if (nums.length == 1) { return nums[0]; }

// check the first two numbers in the array and remove the lesser

if (nums[0] < nums[1]) { nums.splice(0,1); }

else { nums.splice(1,1); }

// with one less number in the array, call the same function

return max(nums);

}