input.js socket souble declaration fix

public/js/input.js

@@ -1,17 +1,17 @@
 var socket = io();
-                           
+
 socket.on('data', function(data){
     console.log(data);
-    document.getElementById('sample').style.opacity = data+"%"; 
+    document.getElementById('sample').style.opacity = data + "%"; 
 });
 
 socket.on('node5', function(sensor){
     console.log(sensor);
     document.getElementById("file").value = sensor; 
-    if(distance5>0.02 && sensor==50){
+    if(distance5 > 0.02 && sensor == 50){
        alert('u won.');
     }
-});	
+});
 
 var form = document.getElementById('form');
 var input = document.getElementById('input');