I'm trying to sort an array, where its objects consist of a dynamic key of type number.
Now I want to sort the objects so that the numbers start from the smallest first -- the number I mean is the key of the object.
Here's my code
const arr = [{"3": 32}, {"1": 42}, {"5": 48}];
arr.sort((a,b) => {
if (a < b) {
return -1;
}
if (a > b) {
return 1;
}
return 0;
});
console.log(arr);The order of the objects should be:
[{"1": 42},{"3":32},{"5":48}]
You'll need to extract the keys... like with Object.keys:
const arr = [{"3": 32}, {"1": 42}, {"5": 48}];
arr.sort((a,b) => Object.keys(a)[0] - Object.keys(b)[0]);
console.log(arr);use this and it should work
let arr = [{"3": 32}, {"1": 42}, {"5": 48}];
let getKey=(array)=> Object.keys(array)[0]
arr.sort((a,b) => (getKey(a) - getKey(b)))
console.log(arr)
This should work
const arr = [{"3": 32}, {"1": 42}, {"5": 48}];
arr.sort((a,b) => {
const firstKey = Object.keys(a)[0]
const secondKey = Object.keys(b)[0]
return secondKey - firstKey
})