assets/javascripts/materialize/forms.js in materialize-sass-1.0.0.alpha2 vs assets/javascripts/materialize/forms.js in materialize-sass-1.0.0.alpha3

@@ -37,10 +37,15 @@
       }
     }
   };
 
   M.textareaAutoResize = function ($textarea) {
+    // Wrap if native element
+    if ($textarea instanceof Element) {
+      $textarea = $($textarea);
+    }
+
     // Textarea Auto Resize
     var hiddenDiv = $('.hiddendiv').first();
     if (!hiddenDiv.length) {
       hiddenDiv = $('<div class="hiddendiv common"></div>');
       $('body').append(hiddenDiv);
@@ -202,14 +207,15 @@
 
     var text_area_selector = '.materialize-textarea';
     $(text_area_selector).each(function () {
       var $textarea = $(this);
       /**
-       * Instead of resizing textarea on document load,
-       * store the original height and the original length
+       * Resize textarea on document load after storing
+       * the original height and the original length
        */
       $textarea.data('original-height', $textarea.height());
       $textarea.data('previous-length', this.value.length);
+      M.textareaAutoResize($textarea);
     });
 
     $(document).on('keyup', text_area_selector, function () {
       M.textareaAutoResize($(this));
     });