added file

Author: HarshitChari

Sorting/selection_sort.js

@@ -0,0 +1,26 @@
+function selectionSort(arr) {
+  let min;
+
+  //start passes.
+  for (let i = 0; i < arr.length; i++) {
+    //index of the smallest element to be the ith element.
+    min = i;
+
+    //Check through the rest of the array for a lesser element
+    for (let j = i + 1; j < arr.length; j++) {
+      if (arr[j] < arr[min]) {
+        min = j;
+      }
+    }
+
+    //compare the indexes
+    if (min !== i) {
+      //swap
+      [arr[i], arr[min]] = [arr[min], arr[i]];
+    }
+  }
+
+  return arr;
+}
+
+console.log(selectionSort([29, 72, 98, 13, 87, 66, 52, 51, 36]));