题解 | #数组求和#
数组求和
https://www.nowcoder.com/practice/cc3ce199461c4c4cb8f63db61d7eba30
function sum(arr) {
    let result = 0;
   for(var i =0;i<arr.length;i++){
        result+=arr[i];
   }
    return result;
}
数组求和
https://www.nowcoder.com/practice/cc3ce199461c4c4cb8f63db61d7eba30
function sum(arr) {
    let result = 0;
   for(var i =0;i<arr.length;i++){
        result+=arr[i];
   }
    return result;
}
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