JavaScript constructor属性

 

<! DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd" >
< html  xmlns ="http://www.w3.org/1999/xhtml" >
< head >
< meta  http-equiv ="Content-Type"  content ="text/html; charset=gb2312"   />
< title >无标题文档 </ title >
< script  language ="javascript" >
function  employee(name,job,born)
{
this .name = name;
this .job = job;
this .born = born;
}

var  bill = new  employee( " Bill Gates " , " Engineer " , 1985 );

document.write(bill.constructor);

document.write( " <br/> " );

document.write(bill.constructor  ==  employee)



    
</ script >
</ head >

< body >
< input  name =""  type ="button"  value ="看结果"   onclick ="openwin();" />
</ body >
</ html >