按钮同时执行单击和双击的代码

<script>
 var temp = 0;
 var doNumber = 0;
 var clearTimeOut = null;
 var SetTimeOut = null;

 function abc_onClick()
 {
  temp = temp + 1;
   tempValueChanage();
 }

 function tempValueChanage()
 {
  doNumber = doNumber + 1;
  SetTimeOut = setTimeout(tempValueChanage,300);
   if( doNumber >= 2 && temp == 1)
  {
   temp = 0;
   doNumber = 0;
   clearTimeout(SetTimeOut);
    alert("单击事件!");
  }
  if( temp == 0 )
  {
   clearTimeout(SetTimeOut);
   doNumber = 0;
  }
   
 }
 
 function abc_onDblClick()
 {
  temp = 0;
  doNumber = 0;
  alert("双击事件!");
 }

</script>
<input id="spanData" type="button" value="onClick or onDblClick" onDblClick="abc_onDblClick()" onClick="abc_onClick()">