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specified Property

Retrieves whether an attribute has been specified.

Syntax

[ bSpecified = ] attribute.specified

Possible Values

bSpecified Boolean that receives one of the following values:
true Attribute is specified.
false Attribute is not specified.

The property is read-only. The property has no default value.

Remarks

An attribute is specified if it is set through HTML or script.

Example

This example uses the specified property to determine the attributes set for an object. The function checks each attribute, and lists all of the attributes of the object and the value of each attribute. In addition, each attribute that is set is displayed.

 

<SCRIPT>
function fnFindSpecified()
{ var oAttributes=oList.attributes;
alert(oAttributes(0).nodeName);
for(var i=0;i<oAttributes.length;i++)
{ var oNode=document.createElement("LI");
var oNodeValue=document.createTextNode(i + " " + oAttributes(i).nodeName + " = " + oAttributes(i).nodeValue); oList.appendChild(oNode); oNode.appendChild(oNodeValue);
if(oAttributes(i).nodeValue!=null)
{ alert(oAttributes(i).nodeName + " specified : " + oAttributes(i). specified ); } } }
</SCRIPT>
<UL ID = oList onclick = "fnFindSpecified()">
<LI>Click to Find Specified Attributes </UL>

Standards Information

This property is defined in World Wide Web Consortium (W3C) Document Object Model (DOM) Level 1 .

Applies To

Platform Version
Win16:
Win32:
Unix:
Mac:
Windows CE:
 
attribute
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