added some important sortingAlgo in js

SortingAlgos.js

@@ -0,0 +1,88 @@
+//Bubble sort
+
+// Optimized implementation of bubble sort Algorithm
+
+function bubbleSort(arr){
+
+    var i, j;
+    var len = arr.length;
+
+    var isSwapped = false;
+
+    for(i =0; i < len; i++){
+
+        isSwapped = false;
+
+        for(j = 0; j < len; j++){
+            if(arr[j] > arr[j + 1]){
+            var temp = arr[j]
+            arr[j] = arr[j+1];
+            arr[j+1] = temp;
+            isSwapped = true;
+            }
+        }
+
+        // IF no two elements were swapped by inner loop, then break
+
+        if(!isSwapped){
+        break;
+        }
+    }
+
+    // Print the array
+    console.log(arr)
+    }
+
+
+    var arr = [243, 45, 23, 356, 3, 5346, 35, 5];
+
+    // calling the bubbleSort Function
+    bubbleSort(arr)
+
+//  Output
+// Sorted Array :
+// [3, 5, 23, 35, 45, 243, 356, 5346]
+
+///////////////***************////////////
+//Javascript program for implementation of selection sort
+function swap(arr,xp, yp)
+{
+	var temp = arr[xp];
+	arr[xp] = arr[yp];
+	arr[yp] = temp;
+}
+
+function selectionSort(arr, n)
+{
+	var i, j, min_idx;
+
+	// One by one move boundary of unsorted subarray
+	for (i = 0; i < n-1; i++)
+	{
+		// Find the minimum element in unsorted array
+		min_idx = i;
+		for (j = i + 1; j < n; j++)
+		if (arr[j] < arr[min_idx])
+			min_idx = j;
+
+		// Swap the found minimum element with the first element
+		swap(arr,min_idx, i);
+	}
+}
+
+function printArray( arr, size)
+{
+	var i;
+	for (i = 0; i < size; i++)
+		document.write(arr[i] + " ");
+	document.write(" <br>");
+}
+
+var arr = [64, 25, 12, 22, 11];
+	var n = 5;
+	selectionSort(arr, n);
+	document.write("Sorted array: <br>");
+	printArray(arr, n);
+
+    // Sorted array: 
+    // 11 12 22 25 64