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));javascript sort array with objects
var array = [
{name: "John", age: 34},
{name: "Peter", age: 54},
{name: "Jake", age: 25}
];
array.sort(function(a, b) {
return a.age - b.age;
}); // Sort youngest firstsort array with objects
const list = [
{ color: 'white', size: 'XXL' },
{ color: 'red', size: 'XL' },
{ color: 'black', size: 'M' }
]
var sortedArray = list.sort((a, b) => (a.color > b.color) ? 1 : -1)
// Result:
//sortedArray:
//{ color: 'black', size: 'M' }
//{ color: 'red', size: 'XL' }
//{ color: 'white', size: 'XXL' }javascript sort array of objects
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'}
]
compareObjects(object1, object2, key) {
const obj1 = object1[key].toUpperCase()
const obj2 = object2[key].toUpperCase()
if (obj1 < obj2) {
return -1
}
if (obj1 > obj2) {
return 1
}
return 0
}
books.sort((book1, book2) => {
return compareObjects(book1, book2, 'name')
})
// Result:
// {id: 2, name: 'A Tale of Two Cities'}
// {id: 3, name: 'Don Quixote'}
// {id: 4, name: 'The Hobbit'}
// {id: 1, name: 'The Lord of the Rings'}javascript sort array of object by property
function sortByDate( a, b ) {
if ( a.created_at < b.created_at ){
return -1;
}
if ( a.created_at > b.created_at ){
return 1;
}
return 0;
}
myDates.sort(sortByDate);//myDates is not sorted.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"}
]
*/Copyright © 2021 Codeinu
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