isMuted参数属性

Retrieves a value indicating whether the element's audio is currently muted.

dhtml语法

[ bMuted = ] currTimeState.isMuted

DHTML可能的值

bMuted Boolean that receives one of the following values.
true Element's audio is currently muted.
false Default. Element's audio is not muted.
The property is read-only. The property has a default value of false.

DHTML代码范例

This example demonstrates the use of the isMuted property. The isMuted property returns true if the element's audio is muted or false if the element's audio is not muted.

<HTML XMLNS:t="urn:schemas-microsoft-com:time">
<HEAD>
<TITLE>isMuted Property</TITLE>
<?IMPORT namespace="t" implementation="#default#time2">
<STYLE>
.time{ behavior: url(#default#time2);}
</STYLE>
<SCRIPT>
function checkIsMuted(){
if(m1.currTimeState.isActive)
isMuted1.innerText='isMuted: ' + m1.currTimeState.isMuted;
else
isMuted1.innerText='isMuted: No active object';
}
</SCRIPT>
</HEAD>
<BODY TOPMARGIN=0 LEFTMARGIN=0 BGPROPERTIES="FIXED" BGCOLOR="#FFFFFF"
LINK="#000000" VLINK="#808080" ALINK="#000000">
<t:media id="m1" begin="indefinite;"
src="../../common/samples/author/behaviors/media/shuttle3.wmv" fill="remove"/>
<BR><BR>
<SPAN id="isMuted1">isMuted: No active object</SPAN>
<BR><BR>
<BUTTON id="b0" onclick="m1.beginElement();checkIsMuted();">Start</BUTTON>
<BUTTON id="b3" onclick="m1.endElement();checkIsMuted();">Stop</BUTTON>
<BR><BR>
<B>Volume control:</B>&nbsp;
<input type="radio" name="i1" onpropertychange="m1.mute='true';checkIsMuted();">Mute
<input type="radio" name="i1"
onpropertychange="m1.mute='false';m1.volume=100;checkIsMuted();" checked>100% Volume
</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, mute