update: used fill() to fill array with null

Author: ashokdey

src/_DataStructures_/HashTable/index.js

@@ -11,15 +11,15 @@ class HashTable {
     this.threshold = 0.7;
     // the main bucket
     this.bucket = new Array(this.slot);
+    // fill the bucket with null
+    // for (let i = 0; i < this.slot; i += 1) this.bucket[i] = null;
+    this.bucket.fill(null);
     this.allowResize = allowResize;
     this.strongHash = strongHash;
     if (custonHash) {
       // eslint-disable-next-line no-underscore-dangle
       this._hash = custonHash;
     }
-
-    // fill the bucket with null
-    for (let i = 0; i < this.slot; i += 1) this.bucket[i] = null;
   }
 
   _hash(key) {