AngularJs how to sum two dynamic value from text box?

- Please write following function in script file for sum two dynamic value from text box,

angular.module('App').filter('twosum', function() {
  return function(items) {
    var sum = 0;
    items.forEach(function(item) {
      if (item.item_count) {
         sum += item.item_count;    
      }
    })
    return sum;
  }
})

- In HTML/PHP file where you want to display above sum value write below short code,

<span>{{ table.fields | twosum }}</span>

Enjoy!