JQuery array sum of comma separated values

Question

The following is data in array (id,num1,num2,qty).

1,500,1000,1
2,700,1200,1
3,900,1400,1

How do I sum and display the following data?

500 + 700 + 900
1000 + 1200 + 1400

Result 2100 3600

This is what I have so far...

var allItems = [];

function calcWattage() {
 allItems = [];
 $(".cbx").each(function(){
  if($(this).is(":checked"))
      allItems.push(this.id + "," + ($(this).val()) + "<br />");
 });
 $("#result").html(allItems.join(""));
}

Arun P Johny · Accepted Answer · 2015-05-17 06:24:02Z

3

You can use Array.reduce() like

var array = [
  [1, 500, 1000, 1],
  [2, 700, 1200, 1],
  [3, 900, 1400, 1]
];

var result = array.reduce(function(value, array) {
  value[0] += array[1];
  value[1] += array[2];
  return value;
}, [0, 0]);
console.log(result)

answered May 17, 2015 at 6:24

Arun P Johny

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