Array sorting in JavaScript

Array sorting in JavaScript

const arr = [-9, 8, 7, -6, 4, 5, -3];

// Approach 1
arr.sort((a, b) => a - b); // Acending Order
console.log(arr); // [-9, -6, -3, 4, 5,  7,  8]
arr.sort((a, b) => b - a); // Descending Order
console.log(arr); //[8,  7,  5, 4, -3, -6, -9]

// Approach 2 - Acending Order
for (let i = 0; i < arr.length - 1; i++) {
  for (let j = 0; j < arr.length - 1 - i; j++) {
    if (arr[j] > arr[j + 1]) {
      let temp = arr[j];
      arr[j] = arr[j + 1];
      arr[j + 1] = temp;
    }
  }
}
console.log(arr);

//Approach 2 - Decending Order
for (let i = 0; i < arr.length - 1; i++) {
  for (let j = 0; j < arr.length - 1 - i; j++) {
    if (arr[j] < arr[j + 1]) {
      let temp = arr[j + 1];
      arr[j + 1] = arr[j];
      arr[j] = temp;
    }
  }
}
console.log(arr);