string 扩展endWith

string 扩展endWith

 

<SCRIPT   LANGUAGE="JavaScript">  
  <!--  
  String.prototype.endWith=function(oString){  
  var   reg=new   RegExp(oString+"$");  
  return   reg.test(this);  
   
  }  
  alert("123".endWith("3"));  
  //-->  
  </SCRIPT>