javascript - 乘法 2 数组 javascript/jquery

Question

我在 js 中有两个对象数组，如下所示:

Array1
   0:Object
      name: "name1"
      value:7
   1:Object
      name: "name2"
      value:5
   2:Object
      name: "name3"
      value:6

Array2
   0:Object
      name: "name1"
      value:3
   1:Object
      name: "name2"
      value:4
   2:Object
      name: "name3"
      value:8

我想创建第三个数组，其中包含 array1 和 array2 的乘法值的结果(不需要是对象数组 - 只能包含 int 值)。这意味着:

Array1        Array2        Array3
value:7  *    value:3   =   value:21
value:5  *    value:4   =   value:20
value:6  *    value:8   =   value:48

您知道一种简单而好的方法来创建具有上述值的第三个表并将其显示在网站上吗？预先感谢:)

Answer 1

纯 JavaScript，无需 jQuery:

function addArrays(arr1, arr2, prop) {
  var func = function(curr) {
    return curr[prop];
  }
  var arr1v = arr1.map(func), arr2v = arr2.map(func), output = [];
  arr1v.forEach(function(curr, i){
    output[i] = arr1v[i] * arr2v[i];
  });
  return output;
}
addArrays([{value:7},{value:5},{value:6}],[{value:3},{value:4},{value:8}],"value") //->[21, 20, 48]