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 object js
grossaryList = {
'bread': 1,
'apple': 6,
'milk': 1,
'orange': 3,
'broccoli': 2
}
return Object
.entries(grossaryList)
.sort((a,b) => b[1]-a[1])
//=> [['apple', 6],['orange', 3],['broccoli', 2],['bread',1],['milk', 1]]array sort by key javascript
function sortByKey(array, key) {
return array.sort((a, b) => {
let x = a[key];
let y = b[key];
return ((x < y) ? -1 : ((x > y) ? 1 : 0));
});
}javascript sort object by key
function sortObjectByKeys(o) {
return Object.keys(o).sort().reduce((r, k) => (r[k] = o[k], r), {});
}
var unsorted = {"c":"crane","b":"boy","a":"ant"};
var sorted=sortObjectByKeys(unsorted); //{a: "ant", b: "boy", c: "crane"}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 object
var maxSpeed = {
car: 300,
bike: 60,
motorbike: 200,
airplane: 1000,
helicopter: 400,
rocket: 28800
};
var sortable = [];
for (var vehicle in maxSpeed) {
sortable.push([vehicle, maxSpeed[vehicle]]);
}
sortable.sort(function(a, b) {
return a[1] - b[1];
});
//[["bike", 60], ["motorbike", 200], ["car", 300],
//["helicopter", 400], ["airplane", 1000], ["rocket", 28800]]Copyright © 2021 Codeinu
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