Remove code for "placeholder" attribute support in old browsers

program/js/app.js

@@ -936,9 +936,6 @@ function rcube_webmail()
               input.focus();
               break;
             }
-
-            // clear empty input fields
-            $('input.placeholder').each(function(){ if (this.value == this._placeholder) this.value = ''; });
           }
 
           // add selected source (on the list)

program/js/common.js

@@ -613,39 +613,10 @@ jQuery.last = function(arr) {
   return arr && arr.length ? arr[arr.length-1] : undefined;
 }
 
-// jQuery plugin to emulate HTML5 placeholder attributes on input elements
+// jQuery plugin to set HTML5 placeholder and title attributes on input elements
 jQuery.fn.placeholder = function(text) {
   return this.each(function() {
-    var active = false, elem = $(this);
-    this.title = text;
-
-    // Try HTML5 placeholder attribute first
-    if ('placeholder' in this) {
-      elem.attr('placeholder', text);
-    }
-    // Fallback to Javascript emulation of placeholder
-    else {
-      this._placeholder = text;
-      elem.blur(function(e) {
-        if ($.trim(elem.val()) == "")
-          elem.val(text);
-        elem.triggerHandler('change');
-      })
-      .focus(function(e) {
-        if ($.trim(elem.val()) == text)
-          elem.val("");
-        elem.triggerHandler('change');
-      })
-      .change(function(e) {
-        var active = elem.val() == text;
-        elem[(active ? 'addClass' : 'removeClass')]('placeholder').attr('spellcheck', active);
-      });
-
-      // Do not blur currently focused element (catch exception: #1489008)
-      try { active = this == document.activeElement; } catch(e) {}
-      if (!active)
-        elem.blur();
-    }
+    $(this).prop({title: text, placeholder: text});
   });
 };