正片
小轮播图滑动滚播，好不好看你说了算。
视频演示
结构就两行
样式
样式代码太长了，影响阅读
表现
关键代码，总共没几行，让它动起来，你们直接复制拿去用就行
/* eslint-disable */
(function(global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('animejs')) :
typeof define === 'function' && define.amd ? define(['animejs'], factory) :
(global.Particles = factory(global.anime));
}(this, (function(anime) {
'use strict';
/* eslint-enable */
function Particles(element, options) {
this.el = getElement(element);
this.options = extend({color: getCSSValue(this.el, 'background-color')}, this.defaults, options);
this.init();
}
Particles.prototype = {
defaults: {
type: 'circle',
style: 'fill',
canvasPadding: 150,
duration: 1000,
easing: 'easeInOutCubic',
direction: 'left',
size: function() { return Math.floor((Math.random() * 3) + 1); },
speed: function() { return rand(4); },
particlesAmountCoefficient: 3,
oscillationCoefficient: 20
},
init: function () {
this.particles = [];
this.frame = null;
this.canvas = document.createElement('canvas');
this.ctx = this.canvas.getContext('2d');
this.canvas.className = 'particles-canvas';
this.canvas.style = 'display:none;';
this.wrapper = document.createElement('div');
this.wrapper.className = 'particles-wrapper';
this.el.parentNode.insertBefore(this.wrapper, this.el);
this.wrapper.appendChild(this.el);
this.parentWrapper = document.createElement('div');
this.parentWrapper.className = 'particles';
this.wrapper.parentNode.insertBefore(this.parentWrapper, this.wrapper);
this.parentWrapper.appendChild(this.wrapper);
this.parentWrapper.appendChild(this.canvas);
},
loop: function () {
this.updateParticles();
this.renderParticles();
if (this.isAnimating()) {
this.frame = requestAnimationFrame(this.loop.bind(this));
}
},
updateParticles: function () {
var p;
for (var i = 0; i < this.particles.length; i++) {
p = this.particles[i];
if (p.life > p.death) {
this.particles.splice(i, 1);
} else {
p.x += p.speed;
p.y = this.o.oscillationCoefficient * Math.sin(p.counter * p.increase);
p.life++;
p.counter += this.disintegrating ? 1 : -1;
}
}
if (!this.particles.length) {
this.pause();
this.canvas.style.display = 'none';
if (is.fnc(this.o.complete)) {
this.o.complete();
}
}
},
renderParticles: function () {
this.ctx.clearRect(0, 0, this.width, this.height);
var p;
for (var i = 0; i < this.particles.length; i++) {
p = this.particles[i];
if (p.life < p.death) {
this.ctx.translate(p.startX, p.startY);
this.ctx.rotate(p.angle * Math.PI / 180);
this.ctx.globalAlpha = this.disintegrating ? 1 - p.life / p.death : p.life / p.death;
this.ctx.fillStyle = this.ctx.strokeStyle = this.o.color;
this.ctx.beginPath();
if ( this.o.type === 'circle' ) {
this.ctx.arc(p.x, p.y, p.size, 0, 2 * Math.PI);
}
else if ( this.o.type === 'triangle' ) {
this.ctx.moveTo(p.x, p.y);
this.ctx.lineTo(p.x+p.size, p.y+p.size);
this.ctx.lineTo(p.x+p.size, p.y-p.size);
}
else if ( this.o.type === 'rectangle' ){
this.ctx.rect(p.x, p.y, p.size, p.size);
}
if ( this.o.style === 'fill' ) {
this.ctx.fill();
}
else if ( this.o.style === 'stroke' ) {
this.ctx.closePath();
this.ctx.stroke();
}
this.ctx.globalAlpha = 1;
this.ctx.rotate(-p.angle * Math.PI / 180);
this.ctx.translate(-p.startX, -p.startY);
}
}
},
play: function () {
this.frame = requestAnimationFrame(this.loop.bind(this));
},
pause: function () {
cancelAnimationFrame(this.frame);
this.frame = null;
},
addParticle: function (options) {
var frames = this.o.duration * 60 / 1000;
var speed = is.fnc(this.o.speed) ? this.o.speed() : this.o.speed;
this.particles.push({
startX: options.x,
startY: options.y,
x: this.disintegrating ? 0 : speed * -frames,
y: 0,
angle: rand(360),
counter: this.disintegrating ? 0 : frames,
increase: Math.PI * 2 / 100,
life: 0,
death: this.disintegrating ? (frames - 20) + Math.random() * 40 : frames,
speed: speed,
size: is.fnc(this.o.size) ? this.o.size() : this.o.size
});
},
addParticles: function (rect, progress) {
var progressDiff = this.disintegrating ? progress - this.lastProgress : this.lastProgress - progress;
this.lastProgress = progress;
var x = this.options.canvasPadding;
var y = this.options.canvasPadding;
var progressValue = (this.isHorizontal() ? rect.width : rect.height) * progress + progressDiff * (this.disintegrating ? 100 : 220);
if (this.isHorizontal()) {
x += this.o.direction === 'left' ? progressValue : rect.width - progressValue;
} else {
y += this.o.direction === 'top' ? progressValue : rect.height - progressValue;
}
var i = Math.floor(this.o.particlesAmountCoefficient * (progressDiff * 100 + 1));
if (i > 0) {
while (i--) {
this.addParticle({
x: x + (this.isHorizontal() ? 0 : rect.width * Math.random()),
y: y + (this.isHorizontal() ? rect.height * Math.random() : 0)
});
}
}
if (!this.isAnimating()) {
this.canvas.style.display = 'block';
this.play();
}
},
addTransforms: function (value) {
var translateProperty = this.isHorizontal() ? 'translateX' : 'translateY';
var translateValue = this.o.direction === 'left' || this.o.direction === 'top' ? value : -value;
this.wrapper.style[transformString] = translateProperty + '('+ translateValue +'%)';
this.el.style[transformString] = translateProperty + '('+ -translateValue +'%)';
},
disintegrate: function (options) {
if (!this.isAnimating()) {
this.disintegrating = true;
this.lastProgress = 0;
this.setup(options);
var _ = this;
this.animate(function(anim) {
var value = anim.animatables[0].target.value;
_.addTransforms(value);
if (_.o.duration) {
_.addParticles(_.rect, value / 100, true);
}
});
}
},
integrate: function (options) {
if (!this.isAnimating()) {
this.disintegrating = false;
this.lastProgress = 1;
this.setup(options);
var _ = this;
this.animate(function(anim) {
var value = anim.animatables[0].target.value;
setTimeout(function() {
_.addTransforms(value);
}, _.o.duration);
if (_.o.duration) {
_.addParticles(_.rect, value / 100, true);
}
});
}
},
setup: function (options) {
this.o = extend({}, this.options, options);
this.wrapper.style.visibility = 'visible';
if (this.o.duration) {
this.rect = this.el.getBoundingClientRect();
this.width = this.canvas.width = this.o.width || this.rect.width + this.o.canvasPadding * 2;
this.height = this.canvas.height = this.o.height || this.rect.height + this.o.canvasPadding * 2;
}
},
animate: function (update) {
var _ = this;
anime({
targets: {value: _.disintegrating ? 0 : 100},
value: _.disintegrating ? 100 : 0,
duration: _.o.duration,
easing: _.o.easing,
begin: _.o.begin,
update: update,
complete: function() {
if (_.disintegrating) {
_.wrapper.style.visibility = 'hidden';
}
}
});
},
isAnimating: function () {
return !!this.frame;
},
isHorizontal: function () {
return this.o.direction === 'left' || this.o.direction === 'right';
}
};
// Utils
var is = {
arr: function (a) { return Array.isArray(a); },
str: function (a) { return typeof a === 'string'; },
fnc: function (a) { return typeof a === 'function'; }
};
function stringToHyphens(str) {
return str.replace(/([a-z])([A-Z])/g, '$1-$2').toLowerCase();
}
function getCSSValue(el, prop) {
if (prop in el.style) {
return getComputedStyle(el).getPropertyValue(stringToHyphens(prop)) || '0';
}
}
var t = 'transform';
var transformString = (getCSSValue(document.body, t) ? t : '-webkit-' + t);
function extendSingle(target, source) {
for (var key in source)
target[key] = is.arr(source[key]) ? source[key].slice(0) : source[key];
return target;
}
function extend(target) {
if (!target) target = {};
for (var i = 1; i < arguments.length; i++)
extendSingle(target, arguments[i]);
return target;
}
function rand(value) {
return Math.random() * value - value / 2;
}
function getElement(element) {
return is.str(element) ? document.querySelector(element) : element;
}
return Particles;
})));
以上就是利用JavaScript编写一个花里胡哨的点击按钮的详细内容，更多关于JavaScript点击按钮的资料请关注脚本之家其它相关文章！