diff --git a/4chan_x.user.js b/4chan_x.user.js
index 2d69d00bd..05c2d754c 100644
--- a/4chan_x.user.js
+++ b/4chan_x.user.js
@@ -1938,7 +1938,7 @@
         return new QR.reply().select();
       });
       $.on($('form', QR.el), 'submit', QR.submit);
-      $.on($('textarea', QR.el), 'keyup', function() {
+      $.on($('textarea', QR.el), 'input', function() {
         return QR.selected.el.lastChild.textContent = this.value;
       });
       $.on(fileInput, 'change', QR.fileInput);
@@ -1955,7 +1955,7 @@
       _ref1 = ['name', 'email', 'sub', 'com'];
       for (_j = 0, _len1 = _ref1.length; _j < _len1; _j++) {
         name = _ref1[_j];
-        $.on($("[name=" + name + "]", QR.el), 'input keyup change paste', function() {
+        $.on($("[name=" + name + "]", QR.el), 'input', function() {
           var _ref2;
           QR.selected[this.name] = this.value;
           if (QR.cooldown.auto && QR.selected === QR.replies[0] && (0 < (_ref2 = QR.cooldown.seconds) && _ref2 < 6)) {
@@ -2315,12 +2315,12 @@
       (back = $('[name=backlink]', dialog)).value = $.get('backlink', Conf['backlink']);
       (time = $('[name=time]', dialog)).value = $.get('time', Conf['time']);
       (fileInfo = $('[name=fileInfo]', dialog)).value = $.get('fileInfo', Conf['fileInfo']);
-      $.on(back, 'keyup', $.cb.value);
-      $.on(back, 'keyup', Options.backlink);
-      $.on(time, 'keyup', $.cb.value);
-      $.on(time, 'keyup', Options.time);
-      $.on(fileInfo, 'keyup', $.cb.value);
-      $.on(fileInfo, 'keyup', Options.fileInfo);
+      $.on(back, 'input', $.cb.value);
+      $.on(back, 'input', Options.backlink);
+      $.on(time, 'input', $.cb.value);
+      $.on(time, 'input', Options.time);
+      $.on(fileInfo, 'input', $.cb.value);
+      $.on(fileInfo, 'input', Options.fileInfo);
       favicon = $('select', dialog);
       favicon.value = $.get('favicon', Conf['favicon']);
       $.on(favicon, 'change', $.cb.value);
@@ -2447,10 +2447,10 @@
             Conf[input.name] = input.checked;
           }
         } else if (input.name === 'Interval') {
-          $.on(input, 'change', function() {
-            return Conf['Interval'] = this.value = parseInt(this.value, 10) || Conf['Interval'];
+          $.on(input, 'input', function() {
+            this.value = parseInt(this.value, 10) || Conf['Interval'];
+            return $.cb.value.call(this);
           });
-          $.on(input, 'change', $.cb.value);
         } else if (input.type === 'button') {
           $.on(input, 'click', this.update);
         }
diff --git a/script.coffee b/script.coffee
index f07e424ee..a24ebc1e3 100644
--- a/script.coffee
+++ b/script.coffee
@@ -1444,7 +1444,7 @@ QR =
     $.on $('#dump',     QR.el), 'click',     -> QR.el.classList.toggle 'dump'
     $.on $('#addReply', QR.el), 'click',     -> new QR.reply().select()
     $.on $('form',      QR.el), 'submit',    QR.submit
-    $.on $('textarea',  QR.el), 'keyup',     -> QR.selected.el.lastChild.textContent = @value
+    $.on $('textarea',  QR.el), 'input',     -> QR.selected.el.lastChild.textContent = @value
     $.on fileInput,             'change',    QR.fileInput
     $.on fileInput,             'click',     (e) -> if e.shiftKey then QR.selected.rmFile() or e.preventDefault()
     $.on spoiler.firstChild,    'change',    -> $('input', QR.selected.el).click()
@@ -1454,8 +1454,8 @@ QR =
     # save selected reply's data
     for name in ['name', 'email', 'sub', 'com']
       # The input event replaces keyup, change and paste events.
-      # XXX Opera?
-      $.on $("[name=#{name}]", QR.el), 'input keyup change paste', ->
+      # XXX Does Opera support the `input` event?
+      $.on $("[name=#{name}]", QR.el), 'input', ->
         QR.selected[@name] = @value
         # Disable auto-posting if you're typing in the first reply
         # during the last 5 seconds of the cooldown.
@@ -1790,12 +1790,12 @@ Options =
     (back     = $ '[name=backlink]', dialog).value = $.get 'backlink', Conf['backlink']
     (time     = $ '[name=time]',     dialog).value = $.get 'time',     Conf['time']
     (fileInfo = $ '[name=fileInfo]', dialog).value = $.get 'fileInfo', Conf['fileInfo']
-    $.on back, 'keyup', $.cb.value
-    $.on back, 'keyup', Options.backlink
-    $.on time, 'keyup', $.cb.value
-    $.on time, 'keyup', Options.time
-    $.on fileInfo, 'keyup', $.cb.value
-    $.on fileInfo, 'keyup', Options.fileInfo
+    $.on back,     'input', $.cb.value
+    $.on back,     'input', Options.backlink
+    $.on time,     'input', $.cb.value
+    $.on time,     'input', Options.time
+    $.on fileInfo, 'input', $.cb.value
+    $.on fileInfo, 'input', Options.fileInfo
     favicon = $ 'select', dialog
     favicon.value = $.get 'favicon', Conf['favicon']
     $.on favicon, 'change', $.cb.value
@@ -1907,8 +1907,9 @@ Updater =
           # Required for the QR's update after posting.
           Conf[input.name] = input.checked
       else if input.name is 'Interval'
-        $.on input, 'change', -> Conf['Interval'] = @value = parseInt(@value, 10) or Conf['Interval']
-        $.on input, 'change', $.cb.value
+        $.on input, 'input', ->
+          @value = parseInt(@value, 10) or Conf['Interval']
+          $.cb.value.call @
       else if input.type is 'button'
         $.on input, 'click', @update