getComponentVersion Method

Retrieves the version of the specified component.

dhtml语法

sVersion = clientCaps.getComponentVersion(sID, sIDType)

Parameters

sID Required. Stringthat specifies any of the component identifiers listed in the Detectable Components in Internet Explorer document.
sIDType Required. Stringthat specifies the case-insensitive type of the identifier specified in sID, or the following value:
componentid Active Setup identifier of the component.

Return Value

String. Returns the version number of the component, if it is installed, or null otherwise.

Remarks

Only Microsoft® Internet Explorer components are detected by this method. If a component identifier of a third-party component is specified, the method returns null.

DHTML代码范例

This example detects whether the Microsoft virtual machine is installed and, if it is, uses the getComponentVersion method to indicate the version of the component currently installed.
<HTML xmlns:IE>
<HEAD>
<STYLE>
@media all {
IE\:clientCaps {behavior:url(#default#clientcaps)}
}
</STYLE>
</HEAD>
<BODY>
<IE:clientCaps ID="oClientCaps" />
<SCRIPT>
sMSvmVersion = oClientCaps.getComponentVersion("{08B0E5C0-4FCB-11CF-AAA5-00401C608500}",
"ComponentID");
</SCRIPT>
:
</BODY>
This feature requires Microsoft® Internet Explorer 5 or later. Click the following icon to install the latest version. Then reload this page to view the sample.

是否符合公共标准

There is no public standard that applies to this method.

Applies To

clientCaps

更多语法参考

about client capabilities, using dhtml behaviors, compareversions, isComponentInstalled