如何总结所有值内的一系列javascript

代码示例

稿总和所有阵值

const sum = receiptItems.reduce((sum, current) => sum + current.total, 0);

如何找到的总和列使用JavaScript

// If you do not want to use array.reduece you can itereate through the array and then get the solution.
const  getSum = (arr)=>{
  let sum = 0;
  for(key of arr){
    sum += key
  }
  return sum
}

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如何总结所有值内的一系列javascript

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