onreadystatechange Event

[This is preliminary documentation and subject to change.]

Indicates when the readyState property changes.

Syntax

`Inline HTML`	`<ELEMENTonreadystatechange = "handler" ... >`	`All platforms`
`Event property`	`object.onreadystatechange = handler`	`JScript (compatible with ECMA 262 language specification) only`
`Named script`	`<SCRIPT FOR = object EVENT = onreadystatechange>`	`Internet Explorer only`

Remarks

This event can be explicitly set using the onreadystatechange property.

This member is an extension of the W3C DOM.

Example

The following JScript/HTML example demonstrates the sequence of ready states when asynchronously loading a document:

<script>
var xmldoc;
function Load()
{
xmldoc = new ActiveXObject("Microsoft.XMLDOM");
xmldoc.onreadystatechange = CheckState;
xmldoc.load(URL.value);
}
function CheckState()
{
  var state = xmldoc.readyState;
  RESULTS.innerHTML += "readyState = " + state + "<BR>"
  if (state == 4)
  {
    var err = xmldoc.parseError;
    if (err.errorCode != 0)
      RESULTS.innerHTML += err.reason + "<BR>"
    else RESULTS.innerHTML +="success" + "<BR>"
  }
}
</script>
URL: <input type=text size=60 id=URL>
<input type=button value=LOAD onclick="jscript:Load()">
<div id=RESULTS style= "color:red;font-weight:bold;"></div>

The following Visual Basic example shows how to use the onreadystatechange event in an application:

Dim WithEvents xmldoc As DOMDocument

Private Sub Form_Load()
    Set xmldoc = New DOMDocument 
    xmldoc.Load ("http://xmlweb/msxml/jscript/error.xml")
End Sub

Private Sub xmldoc_onreadystatechange()
    If (xmldoc.readyState = 4) Then 
       msg = "Load  is finished" & Chr(13) 
       If (xmldoc.parseError.errorCode <> 0) Then
            msg = msg + "Error: " & xmldoc.parseError.reason
       End If
       MsgBox msg
    End If
End Sub

Applies To

XMLDOMDocument