Ayuda Urgente!!
Publicado por Gustavo Mendez (1 intervención) el 09/07/2003 21:36:34
Necesitaria que me explicaran este javascript en forma detallada, sino es mucha molestia. Necesito saber como funciona ya que tengo que rendir una materia que lo involucra.
<STYLE>.spanstyle {
FONT-WEIGHT: bold; FONT-SIZE: 10pt; VISIBILITY: visible; COLOR: red; FONT-FAMILY: Verdana; POSITION: absolute; TOP: -50px
}
</STYLE>
<SCRIPT>
var x,y
var step=20
var flag=0
var message="Laboratorio III "
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]=-50
}
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>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
</head>
<body background="fondox.gif" text="#000000" onload="makesnake()">
<SCRIPT>
<!--
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;
// -->
</SCRIPT>
<STYLE>.spanstyle {
FONT-WEIGHT: bold; FONT-SIZE: 10pt; VISIBILITY: visible; COLOR: red; FONT-FAMILY: Verdana; POSITION: absolute; TOP: -50px
}
</STYLE>
<SCRIPT>
var x,y
var step=20
var flag=0
var message="Laboratorio III "
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]=-50
}
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>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
</head>
<body background="fondox.gif" text="#000000" onload="makesnake()">
<SCRIPT>
<!--
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;
// -->
</SCRIPT>
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