changed code -> You can now deselect selected fields

code.js

@@ -5,5 +5,11 @@ for(let i = 0; i < 64; i++){
 }
 function selectField(field){
     console.log(field.id);
-    field.style.backgroundColor = "rgb(227,8,8, 0.3)";
+    if(field.selected === 0) {
+        field.style.backgroundColor = "rgb(227,8,8, 0.3)";
+        field.selected = 1;
+    } else if (field.selected === 1){
+        field.style.backgroundColor = "rgb(255,255,255, 1)";
+        field.selected = 0;
+    }
 }