update

src/modules/element.js

@@ -459,7 +459,10 @@ layui.define('jquery', function(exports){
   Element.prototype.render = Element.prototype.init;
 
   var element = new Element(), dom = $(document);
-  element.render();
+  
+  $(function(){
+    element.render();
+  });
   
   var TITLE = '.layui-tab-title li';
   dom.on('click', TITLE, call.tabClick); //Tab切换

src/modules/form.js

@@ -699,7 +699,9 @@ layui.define('layer', function(exports){
   var form = new Form()
   ,$dom = $(document), $win = $(window);
   
-  form.render();
+  $(function(){
+    form.render();
+  });
   
   //表单reset重置渲染
   $dom.on('reset', ELEM, function(){

src/modules/lay.js

@@ -393,16 +393,21 @@
     });
   };
   
-  //设置HTML内容
+  //设置或获取 HTML 内容
   LAY.prototype.html = function(html){
-    return this.each(function(index, item){
+    var that = this;
+    return html === undefined ? function(){
+      if(that.length > 0) return that[0].innerHTML;
+    }() : this.each(function(index, item){
       item.innerHTML = html;
     });
   };
   
-  //设置值
+  //设置或获取值
   LAY.prototype.val = function(value){
-    return this.each(function(index, item){
+    return value === undefined ? function(){
+      if(that.length > 0) return that[0].value;
+    }() : this.each(function(index, item){
         item.value = value;
     });
   };