work on confidential / blur module

src/Bundle/ChillMainBundle/Resources/public/module/blur/index.js

@@ -1,21 +1,19 @@
 require('./blur.scss');
 
-var toggleBlur =  function(e){
-
-    var btn = e.target;
-
-    btn.previousElementSibling.classList.toggle("blur");
-    btn.classList.toggle("fa-eye");
-    btn.classList.toggle("fa-eye-slash");
-
-}
-
-var infos = document.getElementsByClassName("confidential");
-for(var i=0; i < infos.length; i++){
-    infos[i].insertAdjacentHTML('beforeend', '<i class="fa fa-eye toggle" aria-hidden="true"></i>');
-}
-
-var toggles = document.getElementsByClassName("toggle");
-for(var i=0; i < toggles.length; i++){
-    toggles[i].addEventListener("click", toggleBlur);
-}
+document.querySelectorAll('.confidential').forEach(function (el) {
+    let i = document.createElement('i');
+    const classes = ['fa', 'fa-eye', 'toggle'];
+    i.classList.add(...classes);
+    el.appendChild(i);
+    const toggleBlur = function(e) {
+        for (let child of el.children) {
+            if (!child.classList.contains('toggle')) {
+                child.classList.toggle('blur');
+            }
+        }
+        i.classList.toggle('fa-eye');
+        i.classList.toggle('fa-eye-slash');
+    }
+    i.addEventListener('click', toggleBlur);
+    toggleBlur();
+});