JS实现520 表白简单代码
网络编程 2021-07-04 16:45www.168986.cn编程入门
本文是长沙网络推广基于js实现的520表白代码，代码简单易懂非常不错，具有一定的参考借鉴价值，需要的朋友参考下吧
这两天不知道咋了，迷迷糊糊的，突然知道今天是520的我，急急忙忙赶出个程序（新手，代码有点乱），发出来大家一起研究下（参考百度的）。
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>520</title>
<style>
html, body{padding:0px; margin:0px; background:#222; font-family: 'Karla', sans-serif; color:#FFF; height:100%; overflow:hidden;}
canvas {width:100%; height:100%;}
#text,#text_520{font-family:'楷体'; color:rgb(255,255,3); font-size:20px; position:fixed; left:10%; :10%;}
#text_520{font-size:100px; :50%; left:50%;}
img{position:fixed; :0; left:0; width:100%;}
#last{font-size:12px; bottom:10px; left:50%; position:fixed;}
/
@keyframes drop {
0% {
transform: translateY(-100px);
opacity: 0;
}
90% {
opacity: 1;
transform:translateY(10px);
}
100% {
transform:translateY(0px;)
}
}
/
</style>
</head>
<body>
<canvas id="c"></canvas>
<div id="text"></div>
<div id="text_520">5 2 0</div>
<img src="./timg.jpg" class="img" />
<div id="last">版权所有李晓珂</div>
<script type="text/javascript" src="./jquery-1.11.0.min.js"></script>
<script type="text/javascript">
function isIE(){
var u = navigator.userAgent;
if((u.indexOf("patible") > -1 && u.indexOf("MSIE") > -1) || (u.indexOf("Trident") > -1 && u.indexOf("rv:11.0") > -1)){
alert("该浏览器暂不支持，请更换浏览器");
window.open('','_self');
window.close();
}
var audio = document.createElement("audio");
audio.setAttribute("src","./520-love.mp3");
audio.setAttribute("aulay","aulay");
}
isIE();
</script>
<script type="text/javascript">
var textArr = [
'I love three things in this world,',
'the sun ,the moon and you.',
'The sun for the day,',
'the moon for the night,',
'and you forever!',
'',
'If you were a teardrop,',
'in my eye,',
'for fear of losing you,',
'I would never cry.',
'And if the golden sun,',
'should cease to shine its light,',
'just one smile from you,',
'would make my whole world bright.'
];
var text_520 = document.getElementById('text_520');
var height = (window.innerHeight - text_520.offsetHeight) / 2;
var width = (window.innerWidth - text_520.offsetWidth) / 2;
text_520.style. = height + 'px';
text_520.style.left = width + 'px';
$('#text_520').hide();
$('.img').hide();
var m = 0;
var n = 0;
var text = document.getElementById('text');
function typing(){
if(m <= textArr[n].length) {
text.innerHTML = text.innerHTML.substring(0,text.innerHTML.length-1) + textArr[n].substr(m++,1) + '_';
setTimeout(typing,250);
}else {
if(n < textArr.length-1){
text.innerHTML = text.innerHTML.substring(0,text.innerHTML.length-1) + "<br />_";
n++;
m = 0;
typing();
}else {
text.innerHTML = text.innerHTML.substring(0,text.innerHTML.length-1);
$('#text').fadeOut(5000);
setTimeout(function(){$('#text_520').fadeIn(5000);},7000);
setTimeout(function(){$('#text_520').fadeOut(5000); },7000);
setTimeout(function(){$('.img').fadeIn(50000);},15000)
}
}
}
setTimeout(typing,5000);
var ctx = document.querySelector('canvas').getContext('2d');
ctx.canvas.width = window.innerWidth;
ctx.canvas.height = window.innerHeight;
var sparks = [];
var fireworks = [];
var walker;
fireworks.pop();
var i = 10;
while(i--) fireworks.push(new Firework(Math.random()window.innerWidth, window.innerHeightMath.random()));
// setInterval(render, 1000/50);
render();
function render() {
setTimeout(render, 1000/50);
ctx.fillStyle = 'rgba(0, 0, 0, 0.2)';
ctx.fillRect(0, 0, ctx.canvas.width, ctx.canvas.height);
// 上升效果
for(var firework of fireworks) {
if(firework.dead) continue;
firework.move();
firework.draw();
}
// 绽放效果
for(var spark of sparks) {
if(spark.dead) continue;
spark.move();
spark.draw();
}
if(Math.random() < 0.1) fireworks.push(new Firework());
//ctx.height = ctx.height;
}
function Spark(x, y, color) {
this.x = x;
this.y = y;
this.dir = Math.random() (Math.PI2);
this.dead = false;
this.color = color;
this.speed = Math.random() 3 + 3;
walker = new Walker({ radius: 20, speed: 0.25 });
this.gravity = 0.25;
this.dur = this.speed / 0.15;
this.move = function() {
this.dur--;
if(this.dur < 0) this.dead = true;
if(this.speed < 0) return;
if(this.speed > 0) this.speed -= 0.15;
walk = walker.step();
this.x += Math.cos(this.dir + walk) this.speed;
this.y += Math.sin(this.dir + walk) this.speed;
this.y += this.gravity;
this.gravity += 0.05;
}
this.draw = function() {
drawCircle(this.x, this.y, 2, this.color);
}
}
function Firework(x, y) {
this.xmove = Math.random()2 - 1;
this.x = x || Math.random() ctx.canvas.width;
this.y = y || ctx.canvas.height;
this.height = Math.random()ctx.canvas.height/2;
this.dead = false;
this.color = randomColor();
this.move = function() {
this.x += this.xmove;
if(this.y > this.height) this.y -= 4;
else this.burst();
}
this.draw = function() {
drawCircle(this.x, this.y, 3, this.color)
}
this.burst = function() {
this.dead = true
i = 100; while(i--) sparks.push(new Spark(this.x, this.y, this.color));
sparks.pop();
}
}
setTimeout(function (){window.open('','_self').close();},175000);
/
// 清除两个数组
function clear(){
if(sparks!=null || fireworks!=null){
sparks.pop();
fireworks.pop();
}
var sparks = [];
var fireworks = [];
}
setInterval(clear,100);
/
function drawCircle(x, y, radius, color) {
color = color || '#FFF';
ctx.fillStyle = color;
ctx.fillRect(x-radius/2, y-radius/2, radius, radius);
}
function randomColor(){
return ['#6ae5ab','#88e3b2','#36b89b','#7bd7ec','#66cbe1'][Math.floor(Math.random() 5)];
}
function Walker(options){
this.step = function(){
this.direction = Math.sign(this.target) this.speed
this.value += this.direction
this.target
? this.target -= this.direction
: (this.value)
? (this.wander)
? this.target = this.newTarget()
: this.target = -this.value
: this.target = this.newTarget()
return this.direction
}
this.newTarget = function() {
return Math.round(Math.random()(this.radius2)-this.radius)
}
this.start = 0
this.value = 0
this.radius = options.radius
this.target = this.newTarget()
this.direction = Math.sign(this.target)
this.wander = options.wander
this.speed = options.speed || 1
}
</script>
</body>
</html>
以上所述是长沙网络推广给大家介绍的JS实现520 简单表白代码，希望对大家有所帮助，如果大家有任何疑问请给我留言，长沙网络推广会及时回复大家的。在此也非常感谢大家对狼蚁SEO网站的支持！
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