Update jumpSearch.js

Author: yanglbme

Search/jumpSearch.js

@@ -5,31 +5,29 @@
   * The advantage against binary search is that Jump Search traversed back only once.
  */
 
-const jumpSearch = (arr, value)=>{
-  const length = arr.length;
-  let step = Math.floor(Math.sqrt(length));
-  let lowerBound = 0;
-  while (arr[Math.min(step, length)-1] < value)
-  {
-    lowerBound = step;
-    step += step;
-    if (lowerBound >= length){
-      return -1;
+const jumpSearch = (arr, value) => {
+    const length = arr.length;
+    let step = Math.floor(Math.sqrt(length));
+    let lowerBound = 0;
+    while (arr[Math.min(step, length) - 1] < value) {
+        lowerBound = step;
+        step += step;
+        if (lowerBound >= length) {
+            return -1;
+        }
     }
-  }
-   
-  const upperBound = Math.min(step, length);
-  while (arr[lowerBound] < value)
-  {
-    lowerBound++;
-    if (lowerBound === upperBound){
-      return -1;
+
+    const upperBound = Math.min(step, length);
+    while (arr[lowerBound] < value) {
+        lowerBound++;
+        if (lowerBound === upperBound) {
+            return -1;
+        }
+    }
+    if (arr[lowerBound] === value) {
+        return lowerBound;
     }
-  }
-  if (arr[lowerBound] === value){
-     return lowerBound;
-  }
-  return -1;
+    return -1;
 }
 const arr = [0,0,4,7,10,23,34,40,55,68,77,90]
 jumpSearch(arr,4);