Replacing var by const in javascript

1 files changed, 7 insertions, 9 deletions

diff --git a/router.js b/router.js
index 8af98ab..c6c2c03 100644
--- a/router.js
+++ b/router.js
@@ -4,15 +4,15 @@
   this.addEventListener('load', router);
 
   function router() {
-    var url = location.hash.slice(2) || 'presentation';
-    var contentElement = document.getElementById('content');
-    var htmlElement = document.querySelector('html');
+    const url = location.hash.slice(2) || 'presentation';
+    const contentElement = document.getElementById('content');
+    const htmlElement = document.querySelector('html');
     addClass(htmlElement, 'waitCursor');
     fetchFile('Pages/' + url + '.md', function(contentMd) {
       removeClass(htmlElement, 'waitCursor');
       contentElement.innerHTML = markdown.toHTML(contentMd);
     }, function() {
-      var notFoundPage = '<h1>Page non trouvée</h1><a href="#">Retour à l\'accueil</a>';
+      const notFoundPage = '<h1>Page non trouvée</h1><a href="#">Retour à l\'accueil</a>';
       contentElement.innerHTML = notFoundPage;
     });
   }
@@ -26,18 +26,16 @@
   }
 
   function fetchFile(url, successHandler, errorHandler) {
-    var xhr = typeof XMLHttpRequest != 'undefined'
+    const xhr = typeof XMLHttpRequest != 'undefined'
       ? new XMLHttpRequest()
       : new ActiveXObject('Microsoft.XMLHTTP');
     xhr.open('get', url, true);
     xhr.responseType = 'text';
     xhr.onreadystatechange = function() {
-      var status;
-      var data;
       if (xhr.readyState == 4) {
-        status = xhr.status;
+        const status = xhr.status;
         if (status === 200 || status === 0) {
-          data = xhr.responseText;
+          const data = xhr.responseText;
           successHandler && successHandler(data);
         } else {
           errorHandler && errorHandler(status);