isActive参数属性

Retrieves a value that indicates whether the element is currently active on the timeline.

dhtml语法

[ bActive = ] currTimeState.isActive

DHTML可能的值

bActive Boolean that receives one of the following values.
true Element is active on the timeline.
false Element is not active on the timeline.
The property is read-only. The property has no default value.

DHTML代码范例

This example uses the isActive property to retrieve a value that indicates whether the media element is active on the timeline.

<HTML XMLNS:t="urn:schemas-microsoft-com:time">
<HEAD>
<TITLE>isActive Property</TITLE>
<?IMPORT namespace="t" implementation="#default#time2">
<STYLE>
.time{ behavior: url(#default#time2);}
</STYLE>
<SCRIPT LANGUAGE="JavaScript">
function checkIsActive(){
isActive1.innerText='isActive: ' + m1.currTimeState.isActive;
if(m1.currTimeState.isActive){
b0.disabled=true;
b1.disabled=false;
}else{
b0.disabled=false;
b1.disabled=true;
}
}
</SCRIPT>
</HEAD>
<BODY TOPMARGIN=0 LEFTMARGIN=0 BGPROPERTIES="FIXED" BGCOLOR="#FFFFFF"
LINK="#000000" VLINK="#808080" ALINK="#000000">
<t:video id="m1" begin="0;indefinite;"
src="../../common/samples/author/behaviors/media/shuttle3.wmv"
onend="checkIsActive();" onbegin="checkIsActive();" fill="remove"/>
<BR><BR>
<SPAN id="isActive1">isActive:</SPAN>
<BR>
<BUTTON id="b0" onclick="m1.beginElement();">Restart</BUTTON>
<BUTTON id="b1" onclick="m1.endElement();">Stop</BUTTON>
</BODY>
</HTML>

This feature requires Microsoft?Internet Explorer 5.5 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

This property is a Microsoft extension to Synchronized Multimedia Integration Language (SMIL) .

Applies To

currTimeState

更多语法参考

introduction to html+time, activeelements, ison, ispaused, state, stateString