Update index.js

Author: no-naame

index.js

@@ -4,7 +4,7 @@ function createBoard() {
     for (let i = 0; i < 16; i++){
         let tile = document.createElement('div');
         tile.setAttribute('id', `id_${i}`);
-        tile.textContent = "";
+        tile.textContent = 0;
         gridContainer.appendChild(tile);
     }
 }
@@ -13,7 +13,7 @@ function generate(){
     let numArray = [2,2,2,2,2,2,2,2,2,4];
     let num = numArray[Math.floor(Math.random()*numArray.length)]
     let allBlocks = document.querySelectorAll('.grid>div');
-    let filteredBlocks = [...allBlocks].filter((a) => a.textContent == "");
+    let filteredBlocks = [...allBlocks].filter((a) => a.textContent == 0);
     if (filteredBlocks == 0){
         return;
     }