added javascript sorting algos

Algorithms/sorting/JavaScript/bubbleSort.js

@@ -0,0 +1,19 @@
+function swap(array, i, j) {
+  let temp = array[i];
+  array[i] = array[j];
+  array[j] = temp;
+}
+
+function bubbleSort(array) {
+  let swapped;
+  do {
+    swapped = false;
+    for (var i = 0; i < array.length; i++) {
+      if (array[i] > array[i + 1]) {
+        swap(array, i, i + 1);
+        swapped = true;
+      }
+    }
+  } while (swapped);
+  return array;
+}

Algorithms/sorting/JavaScript/quickSort.js

@@ -0,0 +1,19 @@
+function quicksortBasic(array) {
+  if (array.length < 2) {
+    return array;
+  }
+
+  let pivot = array[0];
+  let lesser = [];
+  let greater = [];
+
+  for (var i = 1; i < array.length; i++) {
+    if (array[i] < pivot) {
+      lesser.push(array[i]);
+    } else {
+      greater.push(array[i]);
+    }
+  }
+
+  return quicksortBasic(lesser).concat(pivot, quicksortBasic(greater));
+}