 dyn.text的含义是什么？？？？
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<svg width="800px" height="800px" viewbox="0 0 400 400" onload="initialize(evt)" xmlns="http://www.w3.org/2000/svg">
<g id="disp_coord" onclick="lbc(evt)">
<rect x="100" y="50" height="200" width="200" stroke="darkslategrey" stroke-width="2" fill="grey" fill-opacity="0.4"/>
</g>
<script type="text/javascript">
<![CDATA[
var svgdoc;
var tooltip,tttelem,ttrelem;
var svgdocElement;
var scale;
function initialize(evt)
{
svgdoc=evt.getTarget().getOwnerDocument();
svgdocElement = svgdoc.getDocumentElement();
scale = svgdocElement.getCurrentScale();
tttelem=svgdoc.getElementById("ttt");
ttrelem=svgdoc.getElementById("ttr");
tooltip=svgdoc.getElementById("tooltip");
}
function lbc(evt)
{
tttelem.childNodes.item(0).data=evt.clientX+","+evt.clientY;
var translateX = svgdocElement.getCurrentTranslate().getX();
var translateY = svgdocElement.getCurrentTranslate().getY();
var pixel =2/scale;
var offsetX = parseFloat(0) - translateX * pixel;
var offsetY = parseFloat(0) - translateY * pixel;
tttelem.setAttribute ('x', Math.round(offsetX + evt.getClientX() * pixel));
tttelem.setAttribute ('y', (Math.round(offsetY + evt.getClientY() * pixel-26/scale)));
var svgstyle = tttelem.getStyle();
svgstyle.setProperty ('visibility', 'visible');
svgstyle.setProperty('font-size', 24/scale);
var txtlen=tttelem.getComputedTextLength()+50/scale;
ttrelem.setAttribute ('x', (Math.round(offsetX + evt.getClientX() * pixel-txtlen/6)));
ttrelem.setAttribute ('y', (Math.round(offsetY + evt.getClientY() * pixel-52/scale)));
ttrelem.setAttribute ('width', txtlen);
ttrelem.setAttribute ('height',30/scale);
var svgstyle = ttrelem.getStyle();
svgstyle.setProperty ('visibility', 'visible');
}
]]>
</script>
<g id="tooltip" visibility="hidden">
<rect id="ttr" x="0" y="0" width="100px" height="15px" fill="rgb(255,255,255)" stroke="rgb(9,0,130)" stroke-width="1px" shape-rendering="optimizeSpeed"/>
<text id="ttt" x="0" y="0">dyn.text</text>
</g>
</svg>
倒数第三行中dyn.text的含义是什么？？？多谢
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XML.ORG.CN讨论区 - 高级XML应用 → 『 SVG/GML/VRML/X3D/XAML 』 → dyn.text的含义是什么？？？？
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2005/7/5 9:06:00
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