<script type="text/javascript">
   
   //簡單單體模式
   var singleton={
    attr1:10,
    attr2:true,
    method1:function(){console.log(‘method1 ...‘)},
    method2:function(){console.log(‘method2 ...‘)}
   }
   
   console.log(singleton.attr1)
   singleton.method1()
   
   //劃分命名空間
   var nameSpace1={}
   nameSpace1.singleton1={
    attr1:10,
    attr2:true,
    method1:function(){console.log(‘method1 ...‘)},
    method2:function(){console.log(‘method2 ...‘)}
   }
   nameSpace1.singleton2={
    attr1:10,
    attr2:true,
    attr3:‘hello singleton‘,
    method1:function(){console.log(‘method1 ...‘)},
   }
   
   //借用閉包創建單體，閉包主要用於保護數據
   //命名空間
   var nameSpace2={}
   nameSpace2.singleton=(function(){
    //瀏覽器運行後，立即執行：私有成員變量
    var name=‘cxiong‘
    var age=29
    var addr=‘beijing‘
    var interest1=function(){console.log(‘coding ...‘)}
    var interest2=function(){console.log(‘play compute game ...‘)}
    
    //把塊級作用域中的執行結果返回    
    return {
     name:name,
     age:age,
     addr:addr,
     int1:function(){interest1()},
     int2:function(){interest2()}
    }
   })()
   
   nameSpace2.singleton.name=‘mm‘
   console.log(nameSpace2.singleton.name)
   console.log(nameSpace2.singleton.age)   
   nameSpace2.singleton.int1()
  </script>

javascript-單體模式