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📄 shu14.htm

📁 javascript各种效果的实例及源代码
💻 HTM
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<html>

<head>

<title>跟随鼠标的字符</title>

<style type="text/css">

<!--

body {  font-family: "宋体"; font-size: 9pt; margin-top: 0px; margin-left: 0px; margin-right: 0px}

A { COLOR: black; FONT-SIZE: 9pt; FONT-WEIGHT: 400; TEXT-DECORATION: none }

 A:hover { COLOR: red; FONT-SIZE: 9pt; FONT-WEIGHT: 400; TEXT-DECORATION: underline }

a:active     { font: 9pt "宋体"; cursor: hand; color: #FF0033 }



-->

</style>

<meta http-equiv="Content-Type" content="text/html; charset=gb2312">

<style type="text/css">

.spanstyle {

	COLOR: #33d8cc; FONT-FAMILY: 宋体; FONT-SIZE: 10pt; POSITION: absolute; TOP: -50px; VISIBILITY: visible

}

</style>

<script>

var x,y

var step=18

var flag=0

// Your snappy message. Important: the space at the end of the sentence!!!

var message="★南京有线电视台欢迎你的光临!"

message=message.split("")

var xpos=new Array()

for (i=0;i<=message.length-1;i++) {

	xpos[i]=-50

}



var ypos=new Array()

for (i=0;i<=message.length-1;i++) {

	ypos[i]=-200

}



function handlerMM(e){

	x = (document.layers) ? e.pageX : document.body.scrollLeft+event.clientX

	y = (document.layers) ? e.pageY : document.body.scrollTop+event.clientY

	flag=1

}



function makesnake() {

	if (flag==1 && document.all) {

    	for (i=message.length-1; i>=1; i--) {

   			xpos[i]=xpos[i-1]+step

			ypos[i]=ypos[i-1]

    	}

		xpos[0]=x+step

		ypos[0]=y



		for (i=0; i<message.length-1; i++) {

    		var thisspan = eval("span"+(i)+".style")

    		thisspan.posLeft=xpos[i]

			thisspan.posTop=ypos[i]

    	}

	}



	else if (flag==1 && document.layers) {

    	for (i=message.length-1; i>=1; i--) {

   			xpos[i]=xpos[i-1]+step

			ypos[i]=ypos[i-1]

    	}

		xpos[0]=x+step

		ypos[0]=y



		for (i=0; i<message.length-1; i++) {

    		var thisspan = eval("document.span"+i)

    		thisspan.left=xpos[i]

			thisspan.top=ypos[i]

    	}

	}

		var timer=setTimeout("makesnake()",30)

}



</script>

</head>



<body bgcolor="#fef4d9" onload=makesnake()> 

<br>

<br>

<center><font color=red face="隶书" size=6>跟随鼠标的字符</font></center>

<br>

<center>

<table border=5 bordercolor=blue borderlight=green>

<tr><td align=center><font size=5 color=red face="Arial, Helvetica, sans-serif"><strong>鼠标移动即可见到效果!</strong></font></td></tr><tr><td align=center><script>

<!-- Beginning of JavaScript -



for (i=0;i<=message.length-1;i++) {

    document.write("<span id='span"+i+"' class='spanstyle'>")

	document.write(message[i])

    document.write("</span>")

}



if (document.layers){

	document.captureEvents(Event.MOUSEMOVE);

}

document.onmousemove = handlerMM;



// - End of JavaScript - -->

</script></td></tr>

</table></center>

<br>

<br>

<center>

<textarea name=source rows=12 cols=45 class=yk9>

脚本说明:

第一步:把如下代码加入<head>区域中

<style type="text/css">

.spanstyle {

	COLOR: #ffd8ff; FONT-FAMILY: 宋体; FONT-SIZE: 10pt; POSITION: absolute; TOP: -50px; VISIBILITY: visible

}

</style>

<script>

var x,y

var step=18

var flag=0

// Your snappy message. Important: the space at the end of the sentence!!!

var message="★南京有线宽带网欢迎你的光临!"

message=message.split("")

var xpos=new Array()

for (i=0;i<=message.length-1;i++) {

	xpos[i]=-50

}



var ypos=new Array()

for (i=0;i<=message.length-1;i++) {

	ypos[i]=-200

}



function handlerMM(e){

	x = (document.layers) ? e.pageX : document.body.scrollLeft+event.clientX

	y = (document.layers) ? e.pageY : document.body.scrollTop+event.clientY

	flag=1

}



function makesnake() {

	if (flag==1 && document.all) {

    	for (i=message.length-1; i>=1; i--) {

   			xpos[i]=xpos[i-1]+step

			ypos[i]=ypos[i-1]

    	}

		xpos[0]=x+step

		ypos[0]=y



		for (i=0; i<message.length-1; i++) {

    		var thisspan = eval("span"+(i)+".style")

    		thisspan.posLeft=xpos[i]

			thisspan.posTop=ypos[i]

    	}

	}



	else if (flag==1 && document.layers) {

    	for (i=message.length-1; i>=1; i--) {

   			xpos[i]=xpos[i-1]+step

			ypos[i]=ypos[i-1]

    	}

		xpos[0]=x+step

		ypos[0]=y



		for (i=0; i<message.length-1; i++) {

    		var thisspan = eval("document.span"+i)

    		thisspan.left=xpos[i]

			thisspan.top=ypos[i]

    	}

	}

		var timer=setTimeout("makesnake()",30)

}



</script>





第二步:把如下代码加入<body>区域中

<script>

<!-- Beginning of JavaScript -



for (i=0;i<=message.length-1;i++) {

    document.write("<span id='span"+i+"' class='spanstyle'>")

	document.write(message[i])

    document.write("</span>")

}



if (document.layers){

	document.captureEvents(Event.MOUSEMOVE);

}

document.onmousemove = handlerMM;



// - End of JavaScript - -->

</script>



第三步:把<body>改为

<body bgcolor="#fef4d9" onload="makesnake()">



</textarea>

<SCRIPT LANGUAGE="JavaScript">



<!-- hide



function goHist(a) 



{



   history.go(a);



}



//-->



</script>



<FORM METHOD="post">

<INPUT TYPE="button" VALUE="返回" onClick="goHist(-1)" style="background-color: #8000FF; color: rgb(255,255,255)">

</form>

</center>

<br>

<br>

</body>

</html>

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