onpropertypchange
                        
                            时间:2021-07-01 10:21:17
                            帮助过:52人阅读
							                        
                     
                    
                    
            <html> 
<head> 
<script language="javascript"> 
function changeBox(status) 
{ 
textbox.style.display = status ? "" : "none" 
} 
</script> 
<script language="javascript" for="test" event="onpropertychange"> 
var propName = event.propertyName 
var propValue = this[propName] 
switch(propName) 
{ 
case "checked": 
changeBox(propValue) 
break; 
} 
</script> 
</head> 
<body> 
<input type="radio" id="test" name="radio" checked="true" /> 
<input type="radio" name="radio" /> 
<input id="textbox" /> 
</body> 
</html> 
<div style="position: absolute; top: 10; right: 10; width: 148; height: 18;cursor:hand"> 
<input type="button" name="Button" value="查看源代码" onClick= 'window.location = "view-source:" + window.location.href'></div>