javascript sort function
var points = [40, 100, 1, 5, 25, 10];
points.sort((a,b) => a-b)javascript sort function
var points = [40, 100, 1, 5, 25, 10];
points.sort((a,b) => a-b)sorting algorithms in node.js
function sort(arr, compareFn = (a, b) => a <= b) {
if (!arr instanceof Array || arr.length === 0) {
return arr;
}
if (typeof compareFn !== 'function') {
throw new Error('compareFn is not a function!');
}
const partition = (arr, low, high) => {
const pivot = arr[low];
while (low < high) {
while (low < high && compareFn(pivot, arr[high])) {
--high;
}
arr[low] = arr[high];
while (low < high && compareFn(arr[low], pivot)) {
++low;
}
arr[high] = arr[low];
}
arr[low] = pivot;
return low;
};
const quickSort = (arr, low, high) => {
if (low < high) {
let pivot = partition(arr, low, high);
quickSort(arr, low, pivot - 1);
quickSort(arr, pivot + 1, high);
}
return arr;
};
return quickSort(arr, 0, arr.length - 1);
}Copyright © 2021 Codeinu
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