bubble sort javascript

bubbleSort(Array) {
    let len = Array.length;
    for (let i = 0; i < len; i++) { //you can also use "for in", so you don't need the variable "len"
        for (let j = 0; j < len; j++) {
            if (Array[j] > Array[j + 1]) {
                let tmp = Array[j];
                Array[j] = Array[j + 1];
                Array[j + 1] = tmp;
            }
        }
    }
    return Array;
};

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Jsoteeln 80 points

                                    const bubbleSort = array =&gt; {
  const arr = Array.from(array); // avoid side effects
  for (let i = 1; i &lt; arr.length; i++) {
    for (let j = 0; j &lt; arr.length - i; j++) { // starts up to length - 1
      if (arr[j] &gt; arr[j + 1]) {
        [arr[j], arr[j + 1]] = [arr[j + 1], arr[j]];
      }
    }
  }
  return arr;
};

console.log(bubbleSort([4, 9, 2, 1, 5]));

Thank you! 4

4 (4 Votes)

3.86

Wren 115 points

                                    function bubbleSort(array) {
  const len = array.length;
  const retArray = array;
  for (let i = 0; i &lt; len; i++) {
    for (let j = 0; j &lt; len - i; j++) {
      const a = array[j];
      if (a !== array[-1]) {
        const b = array[j + 1];
        if (a &gt; b) {
          retArray[j] = b;
          retArray[j + 1] = a;
        }
      }
    }
  }
  return retArray;
}
bubbleSort([10, 9, 8, 7, 6, 5, 4, 3, 2, 1]);

Thank you! 7

3.86 (7 Votes)

4.4

Blue Genie 95 points

                                    function BubbleSort(arr) {
      const sortedArray = Array.from(arr);
      let swap;
      do {
        swap = false;
        for (let i = 1; i &lt; sortedArray.length; ++i) {
          if (sortedArray[i - 1] &gt; sortedArray[i]) {
            [sortedArray[i], sortedArray[i - 1]] = [sortedArray[i - 1], sortedArray[i]];
            swap = true;
          }
        }
      } while (swap)
      return sortedArray;
    }

    console.log(BubbleSort([7,99,1,88,34,2,90,7]));

Thank you! 5

4.4 (5 Votes)

StuR 120 points

                                    function bubblesort(array) {
    len = array.length;

    for (let i = 0; i &lt; len; i++) {
        for (let j = 0; j &lt; len - i; j++) {
            let a = array[j];
            if (a != array[-1]) {
                var b = array[j + 1];
                if (a &gt; b) {
                    array[j] = b;
                    array[j + 1] = a;
                }
            }
        }
    }
}

let array = [10, 9, 8, 7, 6, 5, 4, 3, 2, 1];
bubblesort(array);
console.log(array)

Thank you! 2

5 (2 Votes)

3.3

Sarnesjo 115 points

                                    const bubbleSort = (arr) =&gt; {
  for (let i = 0; i &lt; arr.length; i++) {
    for (let j = 0; j &lt; arr.length - i; j++) {
      if (arr[j] &gt; arr[j + 1]) {
        let tmp = arr[j];
        arr[j] = arr[j + 1];
        arr[j + 1] = tmp;
      }
    }
  }
  return arr;
}

Thank you! 10

3.3 (10 Votes)

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