想知道两个数组内的元素相加的js怎么写

Answer 1

var a = [5, 6, 7, 8];

var b = [-1, 2, -3, -4];

function getResult(a, b) {

  var c = [];

  if (a.length === b.length) {

    for(var i = 0; i < a.length; i++) {

      c[i] = a[i] + b[i];

    }

  }

  return c;

}

alert(getResult(a, b));