Answers for "sort arrays 1 according to array 2 javascript"

3

sorting of arraray's number element in javascript

let numbers = [0, 1, 2, 3, 10, 20, 30];
numbers.sort((a, b) => a - b);

console.log(numbers);
Posted by: Guest on April-17-2020
0

sort array based on another array js

/**
 * Sort array of objects based on another array
 */

function mapOrder (array, order, key) {
  
  array.sort( function (a, b) {
    var A = a[key], B = b[key];
    
    if (order.indexOf(A) > order.indexOf(B)) {
      return 1;
    } else {
      return -1;
    }
    
  });
  
  return array;
};


/**
 * Example:
 */

var item_array, item_order, ordered_array;

item_array = [ 
  { id: 2, label: 'Two' }
, { id: 3, label: 'Three' }
, { id: 5, label: 'Five' }
, { id: 4, label: 'Four' }
, { id: 1, label: 'One'}
];

item_order = [1,2,3,4,5];

ordered_array = mapOrder(item_array, item_order, 'id');

console.log('Ordered:', JSON.stringify(ordered_array));
Posted by: Guest on September-24-2020

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