leetcode(24)-最大子序列和

/**
 * @param {number[]} nums
 * @return {number}
 */
var maxSubArray = function(nums) {
    let begin = 0;
    let end = 1;
    let maxSum = Number.NEGATIVE_INFINITY;
    for(let i = 0; i<nums.length;i++){
        for(let j =i+1;j<=nums.length;j++){
            let temSum = 0;
            nums.slice(i,j).forEach(el=>{
                temSum+=el;
            })
            if(temSum>maxSum){
                maxSum = temSum;
                begin = i;
                end = j;
            }
        }
    }
    return maxSum;
};