答案:designMode应用:
使一个子框架可编辑:(on可编辑,off取消编辑,注:designMode初始默认值是Inherit,而非off)
<HTML>
<HEAD>
<TITLE></TITLE>
<script language="javascript">
function test()
{
var targetdoc=document.frames(0).document;
if(targetdoc.designMode=="Off")
{
targetdoc.designMode="On";
}
else
{
targetdoc.designMode="Off";
}
}
</script>
</HEAD>
<BODY>
<INPUT type="button" value="Button" id=button1 name=button1 onclick="test()">
<iframe src="C.htm" style="border:black thin;width:200px;height:200px"></iframe>
</BODY>
</HTML>
------------------------------------
使span可编辑:
<HTML>
<HEAD>
<TITLE></TITLE>
<script language="javascript">
function test()
{
if(myspan.isContentEditable==true)
{
myspan.contentEditable=false;
}
else
{
myspan.contentEditable=true;
}
}
</script>
</HEAD>
<BODY>
<INPUT type="button" value="Button" id=button1 name=button1 onclick="test()">
<span contenteditable id=myspan style="border:1px solid black;width:200px;height:200px"></span>
</BODY>
</HTML>
-----------------------------------------
粗体、斜体、下划线
<Button id=btnBold onclick="document.execCommand('Bold');"><b>粗体</b></Button>
<Button id=btnItalic onclick="document.execCommand('Italic');"><I>斜体</I></Button>
<Button id=btnBold onclick="document.execCommand('Underline');"><u>下划线</u></Button>
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