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Answers for "sort array of objects number javascript"

Javascript
26

sort array of object js

const books = [
  {id: 1, name: 'The Lord of the Rings'},
  {id: 2, name: 'A Tale of Two Cities'},
  {id: 3, name: 'Don Quixote'},
  {id: 4, name: 'The Hobbit'}
]

books.sort((a,b) => (a.name > b.name) ? 1 : ((b.name > a.name) ? -1 : 0));
Posted by: Guest on April-08-2021
7

sort array of objects javascript by value

let orders = [
  { 
    order: 'order 1', date: '2020/04/01_11:09:05'
  },
  { 
    order: 'order 2', date: '2020/04/01_10:29:35'
  },
  { 
    order: 'order 3', date: '2020/04/01_10:28:44'
  }
];


console.log(orders);

orders.sort(function(a, b){
  let dateA = a.date.toLowerCase();
  let dateB = b.date.toLowerCase();
  if (dateA < dateB) 
  {
    return -1;
  }    
  else if (dateA > dateB)
  {
    return 1;
  }   
  return 0;
});

console.log(orders);
Posted by: Guest on April-01-2020
0

javascript sort array of objects

// Handles mix-cased strings and numbers with option for setting order
const sortObjectArray = ({ arr, field, order = 'desc' }) => {
   arr.sort(function(a, b) {
      const fieldA = typeof a[field] === 'string' ? a[field].toLowerCase() : a[field]
      const fieldB = typeof b[field] === 'string' ? b[field].toLowerCase() : b[field]

      let result
      if (order === 'desc') {
         result = fieldA > fieldB ? 1 : -1
      } else {
         result = fieldA < fieldB ? 1 : -1
      }
      return result
   })
   return arr
}

let arr = [
  {name: "John", age: 34},
  {name: "Peter", age: 54},
  {name: "jake", age: 25}
]

let arr2 = sortObjectArray({ arr, field: 'name'})
console.log(arr2)
/*
[
{ age: 25, name: "jake"}, 
{ age: 34, name: "John" }, 
{ age: 54, name: "Peter" }
]
*/

let arr3 = sortObjectArray({ arr, field: 'age', order: 'asc' })
console.log(arr3)
/*
[
{ age: 54, name: "Peter" },
{ age: 34, name: "John" }, 
{ age: 25, name: "jake"}
]
*/
Posted by: Guest on March-25-2021
1

js sort array of object by key

/**
 * Function to sort alphabetically an array of objects by some specific key.
 * 
 * @param {String} property Key of the object to sort.
 */
function dynamicSort(property) {
    var sortOrder = 1;

    if(property[0] === "-") {
        sortOrder = -1;
        property = property.substr(1);
    }

    return function (a,b) {
        if(sortOrder == -1){
            return b[property].localeCompare(a[property]);
        }else{
            return a[property].localeCompare(b[property]);
        }        
    }
}
Posted by: Guest on September-10-2020

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