ตย. JavaScript แสดงพลุหน้าเว็บแบบง่ายๆ

ตย. code save เป็น .html แล้ว run ได้เลยครับ

<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8">
	<title>devbanban.com</title>
	<script type="text/javascript">
// <![CDATA[
var bits=80; // how many bits
var speed=33; // how fast - smaller is faster
var bangs=20; // how many can be launched simultaneously (note that using too many can slow the script down)
var colours=new Array("#03f", "#f03", "#0e0", "#93f", "#0cf", "#f93", "#f0c"); 
//                     blue    red     green   purple  cyan    orange  pink
 
var bangheight=new Array();
var intensity=new Array();
var colour=new Array();
var Xpos=new Array();
var Ypos=new Array();
var dX=new Array();
var dY=new Array();
var stars=new Array();
var decay=new Array();
var swide=800;
var shigh=600;
var boddie;
 
if (typeof('addRVLoadEvent')!='function') function addRVLoadEvent(funky) {
  var oldonload=window.onload;
  if (typeof(oldonload)!='function') window.onload=funky;
  else window.onload=function() {
    if (oldonload) oldonload();
    funky();
  }
}
 
addRVLoadEvent(light_blue_touchpaper);
 
function light_blue_touchpaper() { if (document.getElementById) {
  var i;
  boddie=document.createElement("div");
  boddie.style.position="fixed";
  boddie.style.top="0px";
  boddie.style.left="0px";
  boddie.style.overflow="visible";
  boddie.style.width="1px";
  boddie.style.height="1px";
  boddie.style.backgroundColor="transparent";
  document.body.appendChild(boddie);
  set_width();
  for (i=0; i<bangs; i++) {
    write_fire(i);
    launch(i);
    setInterval('stepthrough('+i+')', speed);
  }
}}
 
function write_fire(N) {
  var i, rlef, rdow;
  stars[N+'r']=createDiv('|', 12);
  boddie.appendChild(stars[N+'r']);
  for (i=bits*N; i<bits+bits*N; i++) {
    stars[i]=createDiv('*', 13);
    boddie.appendChild(stars[i]);
  }
}
 
function createDiv(char, size) {
  var div=document.createElement("div");
  div.style.font=size+"px monospace";
  div.style.position="absolute";
  div.style.backgroundColor="transparent";
  div.appendChild(document.createTextNode(char));
  return (div);
}
 
function launch(N) {
  colour[N]=Math.floor(Math.random()*colours.length);
  Xpos[N+"r"]=swide*0.5;
  Ypos[N+"r"]=shigh-5;
  bangheight[N]=Math.round((0.5+Math.random())*shigh*0.4);
  dX[N+"r"]=(Math.random()-0.5)*swide/bangheight[N];
  if (dX[N+"r"]>1.25) stars[N+"r"].firstChild.nodeValue="/";
  else if (dX[N+"r"]<-1.25) stars[N+"r"].firstChild.nodeValue="\\";
  else stars[N+"r"].firstChild.nodeValue="|";
  stars[N+"r"].style.color=colours[colour[N]];
}
 
function bang(N) {
  var i, Z, A=0;
  for (i=bits*N; i<bits+bits*N; i++) { 
    Z=stars[i].style;
    Z.left=Xpos[i]+"px";
    Z.top=Ypos[i]+"px";
    if (decay[i]) decay[i]--;
    else A++;
    if (decay[i]==15) Z.fontSize="7px";
    else if (decay[i]==7) Z.fontSize="2px";
    else if (decay[i]==1) Z.visibility="hidden";
 if (decay[i]>1 && Math.random()<.1) {
    Z.visibility="hidden";
    setTimeout('stars['+i+'].style.visibility="visible"', speed-1);
 }
    Xpos[i]+=dX[i];
    Ypos[i]+=(dY[i]+=1.25/intensity[N]);
 
  }
  if (A!=bits) setTimeout("bang("+N+")", speed);
}
 
function stepthrough(N) { 
  var i, M, Z;
  var oldx=Xpos[N+"r"];
  var oldy=Ypos[N+"r"];
  Xpos[N+"r"]+=dX[N+"r"];
  Ypos[N+"r"]-=4;
  if (Ypos[N+"r"]<bangheight[N]) {
    M=Math.floor(Math.random()*3*colours.length);
    intensity[N]=5+Math.random()*4;
    for (i=N*bits; i<bits+bits*N; i++) {
      Xpos[i]=Xpos[N+"r"];
      Ypos[i]=Ypos[N+"r"];
      dY[i]=(Math.random()-0.5)*intensity[N];
      dX[i]=(Math.random()-0.5)*(intensity[N]-Math.abs(dY[i]))*1.25;
      decay[i]=16+Math.floor(Math.random()*16);
      Z=stars[i];
      if (M<colours.length) Z.style.color=colours[i%2?colour[N]:M];
      else if (M<2*colours.length) Z.style.color=colours[colour[N]];
      else Z.style.color=colours[i%colours.length];
      Z.style.fontSize="13px";
      Z.style.visibility="visible";
    }
    bang(N);
    launch(N);
  }
  stars[N+"r"].style.left=oldx+"px";
  stars[N+"r"].style.top=oldy+"px";
} 
 
window.onresize=set_width;
function set_width() {
  var sw_min=999999;
  var sh_min=999999;
  if (document.documentElement && document.documentElement.clientWidth) {
    if (document.documentElement.clientWidth>0) sw_min=document.documentElement.clientWidth;
    if (document.documentElement.clientHeight>0) sh_min=document.documentElement.clientHeight;
  }
  if (typeof(self.innerWidth)!="undefined" && self.innerWidth) {
    if (self.innerWidth>0 && self.innerWidth<sw_min) sw_min=self.innerWidth;
    if (self.innerHeight>0 && self.innerHeight<sh_min) sh_min=self.innerHeight;
  }
  if (document.body.clientWidth) {
    if (document.body.clientWidth>0 && document.body.clientWidth<sw_min) sw_min=document.body.clientWidth;
    if (document.body.clientHeight>0 && document.body.clientHeight<sh_min) sh_min=document.body.clientHeight;
  }
  if (sw_min==999999 || sh_min==999999) {
    sw_min=800;
    sh_min=600;
  }
  swide=sw_min;
  shigh=sh_min;
}
// ]]>
</script>
<!-- Latest compiled and minified CSS -->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
</head>
<body>

<div class="container">
		<div class="row">
			<div class="col-md-12 col-xs-12">
				<h1 align="center"> จุดพลุหน้าเว็บ </h1>
				<h1 align="center"> . </h1>
				<h1 align="center"> . </h1>
				<h1 align="center"> จำนวนพลุ บรรทัด 10  </h1>
				<h1 align="center"> . </h1>
				<h1 align="center"> . </h1>

		    </div> 
		</div> 
</div>

</body>
</html>

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<!DOCTYPE html>

<html>

<head>

<title>devbanban.com</title>

// <![CDATA[

var bits=80; // how many bits

var speed=33; // how fast - smaller is faster

var bangs=20; // how many can be launched simultaneously (note that using too many can slow the script down)

var colours=new Array("#03f", "#f03", "#0e0", "#93f", "#0cf", "#f93", "#f0c");

// blue red green purple cyan orange pink

var bangheight=new Array();

var intensity=new Array();

var colour=new Array();

var Xpos=new Array();

var Ypos=new Array();

var dX=new Array();

var dY=new Array();

var stars=new Array();

var decay=new Array();

var swide=800;

var shigh=600;

var boddie;

if (typeof('addRVLoadEvent')!='function') function addRVLoadEvent(funky) {

var oldonload=window.onload;

if (typeof(oldonload)!='function') window.onload=funky;

else window.onload=function() {

if (oldonload) oldonload();

funky();

}

addRVLoadEvent(light_blue_touchpaper);

function light_blue_touchpaper() { if (document.getElementById) {

var i;

boddie=document.createElement("div");

boddie.style.position="fixed";

boddie.style.top="0px";

boddie.style.left="0px";

boddie.style.overflow="visible";

boddie.style.width="1px";

boddie.style.height="1px";

boddie.style.backgroundColor="transparent";

document.body.appendChild(boddie);

set_width();

for (i=0; i<bangs; i++) {

write_fire(i);

launch(i);

setInterval('stepthrough('+i+')', speed);

}

}}

function write_fire(N) {

var i, rlef, rdow;

stars[N+'r']=createDiv('|', 12);

boddie.appendChild(stars[N+'r']);

for (i=bits*N; i<bits+bits*N; i++) {

stars[i]=createDiv('*', 13);

boddie.appendChild(stars[i]);

}

function createDiv(char, size) {

var div=document.createElement("div");

div.style.font=size+"px monospace";

div.style.position="absolute";

div.style.backgroundColor="transparent";

div.appendChild(document.createTextNode(char));

return (div);

}

function launch(N) {

colour[N]=Math.floor(Math.random()*colours.length);

Xpos[N+"r"]=swide*0.5;

Ypos[N+"r"]=shigh-5;

bangheight[N]=Math.round((0.5+Math.random())*shigh*0.4);

dX[N+"r"]=(Math.random()-0.5)*swide/bangheight[N];

if (dX[N+"r"]>1.25) stars[N+"r"].firstChild.nodeValue="/";

else if (dX[N+"r"]<-1.25) stars[N+"r"].firstChild.nodeValue="\\";

else stars[N+"r"].firstChild.nodeValue="|";

stars[N+"r"].style.color=colours[colour[N]];

}

function bang(N) {

var i, Z, A=0;

for (i=bits*N; i<bits+bits*N; i++) {

Z=stars[i].style;

Z.left=Xpos[i]+"px";

Z.top=Ypos[i]+"px";

if (decay[i]) decay[i]--;

else A++;

if (decay[i]==15) Z.fontSize="7px";

else if (decay[i]==7) Z.fontSize="2px";

else if (decay[i]==1) Z.visibility="hidden";

if (decay[i]>1 && Math.random()<.1) {

Z.visibility="hidden";

setTimeout('stars['+i+'].style.visibility="visible"', speed-1);

}

Xpos[i]+=dX[i];

Ypos[i]+=(dY[i]+=1.25/intensity[N]);

}

if (A!=bits) setTimeout("bang("+N+")", speed);

}

function stepthrough(N) {

var i, M, Z;

var oldx=Xpos[N+"r"];

var oldy=Ypos[N+"r"];

Xpos[N+"r"]+=dX[N+"r"];

Ypos[N+"r"]-=4;

if (Ypos[N+"r"]<bangheight[N]) {

M=Math.floor(Math.random()*3*colours.length);

intensity[N]=5+Math.random()*4;

for (i=N*bits; i<bits+bits*N; i++) {

Xpos[i]=Xpos[N+"r"];

Ypos[i]=Ypos[N+"r"];

dY[i]=(Math.random()-0.5)*intensity[N];

dX[i]=(Math.random()-0.5)*(intensity[N]-Math.abs(dY[i]))*1.25;

decay[i]=16+Math.floor(Math.random()*16);

Z=stars[i];

if (M<colours.length) Z.style.color=colours[i%2?colour[N]:M];

else if (M<2*colours.length) Z.style.color=colours[colour[N]];

else Z.style.color=colours[i%colours.length];

Z.style.fontSize="13px";

Z.style.visibility="visible";

}

bang(N);

launch(N);

}

stars[N+"r"].style.left=oldx+"px";

stars[N+"r"].style.top=oldy+"px";

}

window.onresize=set_width;

function set_width() {

var sw_min=999999;

var sh_min=999999;

if (document.documentElement && document.documentElement.clientWidth) {

if (document.documentElement.clientWidth>0) sw_min=document.documentElement.clientWidth;

if (document.documentElement.clientHeight>0) sh_min=document.documentElement.clientHeight;

}

if (typeof(self.innerWidth)!="undefined" && self.innerWidth) {

if (self.innerWidth>0 && self.innerWidth<sw_min) sw_min=self.innerWidth;

if (self.innerHeight>0 && self.innerHeight<sh_min) sh_min=self.innerHeight;

}

if (document.body.clientWidth) {

if (document.body.clientWidth>0 && document.body.clientWidth<sw_min) sw_min=document.body.clientWidth;

if (document.body.clientHeight>0 && document.body.clientHeight<sh_min) sh_min=document.body.clientHeight;

}

if (sw_min==999999 || sh_min==999999) {

sw_min=800;

sh_min=600;

}

swide=sw_min;

shigh=sh_min;

}

// ]]>

</script>

</head>

<body>

<h1 align="center"> จุดพลุหน้าเว็บ </h1>

<h1 align="center"> จำนวนพลุ บรรทัด 10 </h1>

</div>

</body>

</html>

DEMO

สวยๆอีกเพี้ยบ

https://codepen.io/Imapo/pen/OWXgjL?page=4

https://codepen.io/codepenforkapil/pen/oepgZe?page=5

https://codepen.io/whqet/pen/Auzch

ref : https://codepen.io/tag/firework/

devbanban

Free Template 23 : แสดงพลุหน้าเว็บ จุดพลุหน้าเว็บ, JavaScript Firework

Byพิศิษฐ์ บวรเลิศสุธี

DEMO

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