方法一：

function Tetrio(singleW){

        if(singleW == undefined){ singleW = 18; }

　　this.x = 0; 　　this.y = 0; } Tetrio.prototype.draw = function(context){
    　　 } 调用： var tetri = new Tetrio();     tetri.draw(context);

　

方法二：jason

var AlertBox = {    htmlTemplate:'
     
      \  
      
       \    
       
        \      
        
         \        
         ×\        
         
$title$
\      
        
\      
        
         \          
         
          \            $content$\          
         
\      
        
\      
        
         \        
         Close\        
         Submit note\      
        
\    
       
\  
      
\
     
',    Show: function (title, content) {        var ht = this.htmlTemplate.replace('$title$', title);        ht = ht.replace('$content$', content);        $('body').append(ht);        $('#myModal').modal('show');    },    Close: function () {        $('.modal-backdrop').remove();        $('#myModal').remove();    }}; 调用: