Efectos de texto con JavaScript

Texto o frase que se ilumina como una baliza (sirena). Puedes modificar su tamaño color y Fuente.
<script>
mesk=new Array();mesk[10]="A";mesk[11]="B";mesk[12]="C";mesk[13]="D";mesk[14]="E";mesk[15]="F";A=10;B=11;C=12;D=13;E=14;F=15;let="ABCDEF";function mes(num){if(let.indexOf(num) != -1){return eval(num)};else{if(num < 10){return eval(num)};else{return mesk[num]}}};

function color(begin,einde,stappen,stap){
hh1=(mes(begin.charAt(0))*16)+mes(begin.charAt(1));
hh2=(mes(begin.charAt(2))*16)+mes(begin.charAt(3));
hh3=(mes(begin.charAt(4))*16)+mes(begin.charAt(5));
pp1=(mes(einde.charAt(0))*16)+mes(einde.charAt(1));
pp2=(mes(einde.charAt(2))*16)+mes(einde.charAt(3));
pp3=(mes(einde.charAt(4))*16)+mes(einde.charAt(5));

if(hh1 < pp1){ff1=hh1+Math.floor((pp1-hh1)/stappen*stap);
ff1=eval("'"+mes(Math.floor(ff1/16))+"'")+eval("'"+mes(ff1-(Math.floor(ff1/16)*16))+"'");}
;else{ff1=hh1-Math.floor((hh1-pp1)/stappen*stap);
ff1=eval("'"+mes(Math.floor(ff1/16))+"'")+eval("'"+mes(ff1-(Math.floor(ff1/16)*16))+"'");}
if(hh2 < pp2){ff2=hh2+Math.floor((pp2-hh2)/stappen*stap);
ff2=eval("'"+mes(Math.floor(ff2/16))+"'")+eval("'"+mes(ff2-(Math.floor(ff2/16)*16))+"'");}
;else{ff2=hh2-Math.floor((hh2-pp2)/stappen*stap);
ff2=eval("'"+mes(Math.floor(ff2/16))+"'")+eval("'"+mes(ff2-(Math.floor(ff2/16)*16))+"'");}
if(hh3 < pp3){ff3=hh3+Math.floor((pp3-hh3)/stappen*stap);
ff3=eval("'"+mes(Math.floor(ff3/16))+"'")+eval("'"+mes(ff3-(Math.floor(ff3/16)*16))+"'");}
;else{ff3=hh3-Math.floor((hh3-pp3)/stappen*stap);
ff3=eval("'"+mes(Math.floor(ff3/16))+"'")+eval("'"+mes(ff3-(Math.floor(ff3/16)*16))+"'");}
;return ff1+ff2+ff3}
bum=0;bum2=0;txt=new Array();txt[0]="";function lightf(){
for(i=0;i != Math.floor(message.length/2);i++){txt[i]=color(lightcolor1,lightcolor2,Math.floor(message.length/2),i)};
for(i=Math.floor(message.length/2);i != message.length;i++){txt[i]=color(lightcolor2,lightcolor1,Math.floor(message.length/2),(i-Math.floor(message.length/2)))};
lightf1()}
function lightf1(){txt[message.length+1]="";bum2=message.length-bum;for(i=0;i != message.length;i++){if(i+bum < message.length){txt[message.length+1]=txt[message.length+1]+"<font color='#"+txt[(i+bum)]+"'>"+message.charAt(i)+"</font>"};else{txt[message.length+1]=txt[message.length+1]+"<font color='#"+txt[i-bum2]+"'>"+message.charAt(i)+"</font>"
}};if(bum != message.length){bum++;};else{bum=0};light.innerHTML=txt[message.length+1];setTimeout("lightf1()",50)}
</script>
<script>
lightcolor1="FF0000" // use capital letters
lightcolor2="000000" // use capital letters
message="Letras con Iluminación Propia, puedes cambiar su tamaño y color"
lightf()
</script>
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Texto con iluminación , simula luz de neón, panel publicitario.

Texto que simila luz de neón, estilo de un panel publicitario con javascript. Puedes modificar su tamaño color y Fuente.

<script language="JavaScript1.2" type="text/javascript">


var message="* * Bienvenido  * *"
var neonbasecolor="blue"
var neontextcolor="red"
var flashspeed=100  //in milliseconds

///No need to edit below this line/////

var n=0
if (document.all||document.getElementById){
document.write('<font color="'+neonbasecolor+'">')
for (m=0;m<message.length;m++)
document.write('<span id="neonlight'+m+'">'+message.charAt(m)+'</span>')
document.write('</font>')
}
else
document.write(message)

function crossref(number){
var crossobj=document.all? eval("document.all.neonlight"+number) : document.getElementById("neonlight"+number)
return crossobj
}

function neon(){

//Change all letters to base color
if (n==0){
for (m=0;m<message.length;m++)
//eval("document.all.neonlight"+m).style.color=neonbasecolor
crossref(m).style.color=neonbasecolor
}

//cycle through and change individual letters to neon color
crossref(n).style.color=neontextcolor

if (n<message.length-1)
n++
else{
n=0
clearInterval(flashing)
setTimeout("beginneon()",1500)
return
}
}

function beginneon(){
if (document.all||document.getElementById)
flashing=setInterval("neon()",flashspeed)
}
beginneon()


</script>

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Texto con Iluminación, simula un arcoiris, las letras van cambiando su color

Texto con Iluminación, simula un arcoiris, las letras van cambiando su color. texto arcoiris. Puedes modificar su tamaño color y Fuente.

<script>

/*
RAINBOW TEXT Script by Matt Hedgecoe (c) 2002
Featured on JavaScript Kit
For this script, visit http://www.javascriptkit.com
*/

// ********** cambia aquí

var text="texto arcoiris" // tu texto
var speed=80 // velocidad de movimiento


if (document.all||document.getElementById){
document.write('<span id="highlight">' + text + '</span>')
var storetext=document.getElementById? document.getElementById("highlight") : document.all.highlight
}
else
document.write(text)
var hex=new Array("00","14","28","3C","50","64","78","8C","A0","B4","C8","DC","F0")
var r=1
var g=1
var b=1
var seq=1
function changetext(){
rainbow="#"+hex[r]+hex[g]+hex[b]
storetext.style.color=rainbow
}
function change(){
if (seq==6){
b--
if (b==0)
seq=1
}
if (seq==5){
r++
if (r==12)
seq=6
}
if (seq==4){
g--
if (g==0)
seq=5
}
if (seq==3){
b++
if (b==12)
seq=4
}
if (seq==2){
r--
if (r==0)
seq=3
}
if (seq==1){
g++
if (g==12)
seq=2
}
changetext()
}
function starteffect(){
if (document.all||document.getElementById)
flash=setInterval("change()",speed)
}
starteffect()
</script>

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