📄 ch4-060.html
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<HTML>
<HEAD>
<TITLE>图形篇--闪动的图形</TITLE>
</HEAD>
<BODY bgcolor="#fef4d2" onload=ShowPicture()>
<br><br>
<center>
<h2>图形篇--闪动的图形</h2>
<hr width=300>
<br><br>
<!-- 案例代码1开始 -->
<script language=JavaScript>
var i_strngth=1
var i_image=0
<!-- [Step1]: 这里可以按序添加要闪动的图形 -->
var PictureName = new Array()
PictureName[0] ="Picture001.jpg"
PictureName[1] ="Picture002.jpg"
function ShowPicture() {
if(document.all) {
if (i_strngth <=110) {
<!-- [Step2]: 在此可以修改图形的宽度、高度 -->
<!-- [Step3]: 这里能够修改图形的边界框 -->
picture.innerHTML="<img style='filter:alpha(opacity="+i_strngth+")' src="+PictureName[i_image]+" width=150 height=100 border=2>";
i_strngth=i_strngth+10
<!-- [Step4]: 在此可以更改闪动的速度，数值小速度快 -->
var timer=setTimeout("ShowPicture()",100)}
else {
clearTimeout(timer)
var timer=setTimeout("HidePicture()",100)}
}
if(document.layers) {
clearTimeout(timer)
document.picture.document.write("<img src="+PictureName[i_image]+" width=150 height=100 border=2>")
document.close()
i_image++
if (i_image >= PictureName.length)
{i_image=0}
var timer=setTimeout("ShowPicture()",100)
}
}
function HidePicture() {
if (i_strngth >=-10) {
picture.innerHTML="<img style='filter:alpha(opacity="+i_strngth+")'src="+PictureName[i_image]+" width=150 height=100 border=2>";
i_strngth=i_strngth-10
var timer=setTimeout("HidePicture()",100)}
else {
clearTimeout(timer)
i_image++
if (i_image >= PictureName.length) {i_image=0}
i_strngth=1
var timer=setTimeout("ShowPicture()",100)
}
}
</script>
<!-- 案例代码1结束 -->
<!-- 案例代码2开始 -->
<!-- [Step5]: 这里可以更改图形的闪动位置 -->
<div id="picture" style="position:absolute;visibility:visible;top:130px;left:200px;">
</div>
<!-- 案例代码2结束 -->
</BODY>
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