<html>
<head>
<title>123.HTML</TITLE>
<script language="Javascript">
<!--
ns4 = (document.layers)? true:false
ie4 = (document.all)? true:false function init()
{
if (ns4) block = document.blockDiv
if (ie4) block = blockDiv.style
block.xpos=parseInt(block.left)
block.ypos=parseInt(block.top)
} function moveTo(a3,x,y)
{
a3.xpos=x
a3.left=a3.xpos
a3.ypos=y
a3.top=a3.ypos
} //-->
</script>
</head> <body onload="init()"> <p>
<BR>moveTo:
<a href =# onclick="javascrip:moveTo(block,100,100)">(100,100)</a>
<a href =# onclick= "javascrip:moveTo(block,200,160)">(200,160)</a>
<a href =# onclick= "javascrip:moveTo(block,300,240)">(300,240)</a>
</p>
<div ID="blockDiv" STYLE="position:absolute; left:200; top:150; width:30; visibility:visible;">
<img src="8888.jpg" width=200 height=300 border=1>
</div>
</body>
</html>
<head>
<title>123.HTML</TITLE>
<script language="Javascript">
<!--
ns4 = (document.layers)? true:false
ie4 = (document.all)? true:false function init()
{
if (ns4) block = document.blockDiv
if (ie4) block = blockDiv.style
block.xpos=parseInt(block.left)
block.ypos=parseInt(block.top)
} function moveTo(a3,x,y)
{
a3.xpos=x
a3.left=a3.xpos
a3.ypos=y
a3.top=a3.ypos
} //-->
</script>
</head> <body onload="init()"> <p>
<BR>moveTo:
<a href =# onclick="javascrip:moveTo(block,100,100)">(100,100)</a>
<a href =# onclick= "javascrip:moveTo(block,200,160)">(200,160)</a>
<a href =# onclick= "javascrip:moveTo(block,300,240)">(300,240)</a>
</p>
<div ID="blockDiv" STYLE="position:absolute; left:200; top:150; width:30; visibility:visible;">
<img src="8888.jpg" width=200 height=300 border=1>
</div>
</body>
</html>
这个是什么?
<head>
<title>8888.HTML</TITLE>
<script language="Javascript">
<!--
ns4 = (document.layers)? true:false
ie4 = (document.all)? true:false function init()
{
if (ns4) block = document.blockDiv
if (ie4) block = blockDiv.style
block.xpos=parseInt(block.left)
block.ypos=parseInt(block.top)
}
function show(a1)
{
if (ns4) a1.visibility = "show"
if (ie4) a1.visibility = "visible"
} function hide(a2)
{
if (ns4) a2.visibility = "hide"
if (ie4) a2.visibility = "hidden"} function move()
{
if (block.xpos<600)
{block.xpos+=5
block.left=block.xpos
setTimeout("move()",50)}
else move1()
} function move1()
{if (block.xpos>50)
{block.xpos-=5
block.left=block.xpos
setTimeout("move1()",50)}
else move()
}
function moveTo(a3,x,y)
{
a3.xpos=x
a3.left=a.xpos
a3.ypos=y
a3.top=a.ypos
} function moveBy(a3,x,y)
{
a3.xpos+=x
a3.left=a.xpos
a3.ypos+=y
a3.top=a.ypos
}
//-->
</script>
</head> <body onload="init()"> <p>
<a href="javascript:alert(block.left)">left</a>-
<a href="javascript:alert(block.visibility)">visibility</a>-
</p> <p>
<A href = "javascript:show(block)">>show<</a>
</p> <p>
<A href = "javascript:hide(block)">>hide<</a>
</p> <p>
<BR>moveTo:
<a href ="javascrip:moveTo(block,100,100)">(100,100)</a>
<a href = "javascrip:moveTo(block,200,160)">(200,160)</a>
<a href = "javascrip:moveTo(block,300,240)">(300,240)</a>
<BR>moveBy
<a href = "javascrip:moveBy(block,10,0)">(10,0)</a>
</p>
<a href = "javascript:move(block)">>move<</a>
<div ID="blockDiv" STYLE="position:absolute; left:200; top:150; width:30; visibility:visible;">
<img src="8888.jpg" width=200 height=300 border=1>
</div>
</body>
</html>
====================================================================================
这段要怎么改呀?
<a href = "javascript:moveTo(block,100,100)">(100,100)</a>
-------------
<html>
<head>
<title>123.HTML</TITLE>
<script language="Javascript">
<!--
ns4 = (document.layers)? true:false
ie4 = (document.all)? true:false function init()
{
if (ns4) block = document.blockDiv
if (ie4) block = blockDiv.style
block.xpos=parseInt(block.left)
block.ypos=parseInt(block.top)
} function moveTo(a3,x,y)
{
a3.xpos=x
a3.left=a3.xpos
a3.ypos=y
a3.top=a3.ypos
} //-->
</script>
</head> <body onload="init()"> <p>
<BR>moveTo:
<a href = "javascript:moveTo(block,100,100)">(100,100)</a>
<a href = "javascript:moveTo(block,200,160)">(200,160)</a>
<a href = "javascript:moveTo(block,300,240)">(300,240)</a>
</p>
<div ID="blockDiv" STYLE="position:absolute; left:200; top:150; width:30; visibility:visible;">
<img src="8888.jpg" width=200 height=300 border=1>
</div>
</body>
</html>
这个是什么?
不用它可以吗?
书上写的就没有用。
href="#"
在这里应该是指锚。没有锚符大约是指页头,俺刚才没找到参考资料。onclick是a标记的一个事件,点击时触发。