弹出爱心
$(function(){"use strict";!function(e,t,a){function n(){for(var e=0;e
弹出文字
(function () {
var a_idx = 0;
window.onclick = function (event) {
var a = new Array("❤富强❤", "❤民主❤", "❤文明❤", "❤和谐❤", "❤自由❤", "❤平等❤", "❤公正❤", "❤法治❤", "❤爱国❤",
"❤敬业❤", "❤诚信❤", "❤友善❤");
var heart = document.createElement("b"); //创建b元素
heart.onselectstart = new Function('event.returnValue=false'); //防止拖动
document.body.appendChild(heart).innerHTML = a[a_idx]; //将b元素添加到页面上
a_idx = (a_idx + 1) % a.length;
heart.style.cssText = "position: fixed;left:-100%;"; //给p元素设置样式
var f = 16, // 字体大小
x = event.clientX - f / 2, // 横坐标
y = event.clientY - f, // 纵坐标
c = randomColor(), // 随机颜色
a = 1, // 透明度
s = 1.2; // 放大缩小
var timer = setInterval(function () { //添加定时器
if (a <= 0) {
document.body.removeChild(heart);
clearInterval(timer);
} else {
heart.style.cssText = "font-size:16px;cursor: default;position: fixed;color:" +
c + ";left:" + x + "px;top:" + y + "px;opacity:" + a + ";transform:scale(" +
s + ");";
y--;
a -= 0.016;
s += 0.002;
}
}, 15)
}
// 随机颜色
function randomColor() {
return "rgb(" + (~~(Math.random() * 255)) + "," + (~~(Math.random() * 255)) + "," + (~~(Math
.random() * 255)) + ")";
}
}());
弹出彩球
JS代码
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弹出彩色粒子
"use strict"; $(function () { function t(t, i) { if (!(t instanceof i)) { throw new TypeError("Cannot call a class as a function") } } var i = Object.assign || function (t) { for (var i = 1; i < arguments.length; i++) { var n = arguments[i]; for (var e in n) { Object.prototype.hasOwnProperty.call(n, e) && (t[e] = n[e]) } } return t }, n = (function () { function t(t, i) { for (var n = 0; n < i.length; n++) { var e = i[n]; (e.enumerable = e.enumerable || !1), (e.configurable = !0), "value" in e && (e.writable = !0), Object.defineProperty(t, e.key, e) } } return function (i, n, e) { return n && t(i.prototype, n), e && t(i, e), i } })(), e = (function () { function e(n) { var o = n.origin, r = n.speed, s = n.color, a = n.angle, h = n.context; t(this, e), (this.origin = o), (this.position = i({}, this.origin)), (this.color = s), (this.speed = r), (this.angle = a), (this.context = h), (this.renderCount = 0) } return (n(e, [{ key: "draw", value: function () { (this.context.fillStyle = this.color), this.context.beginPath(), this.context.arc(this.position.x, this.position.y, 2, 0, 2 * Math.PI), this.context.fill() } }, { key: "move", value: function () { (this.position.x = Math.sin(this.angle) * this.speed + this.position.x), (this.position.y = Math.cos(this.angle) * this.speed + this.position.y + 0.3 * this.renderCount), this.renderCount++ } }]), e) })(), o = (function () { function i(n) { var e = n.origin, o = n.context, r = n.circleCount, s = void 0 === r ? 10 : r, a = n.area; t(this, i), (this.origin = e), (this.context = o), (this.circleCount = s), (this.area = a), (this.stop = !1), (this.circles = []) } return (n(i, [{ key: "randomArray", value: function (t) { var i = t.length; return t[Math.floor(i * Math.random())] } }, { key: "randomColor", value: function () { var t = ["8", "9", "A", "B", "C", "D", "E", "F"]; return "#" + this.randomArray(t) + this.randomArray(t) + this.randomArray(t) + this.randomArray(t) + this.randomArray(t) + this.randomArray(t) } }, { key: "randomRange", value: function (t, i) { return (i - t) * Math.random() + t } }, { key: "init", value: function () { for (var t = 0; t < this.circleCount; t++) { var i = new e({ context: this.context, origin: this.origin, color: this.randomColor(), angle: this.randomRange(Math.PI - 1, Math.PI + 1), speed: this.randomRange(1, 6) }); this.circles.push(i) } } }, { key: "move", value: function () { var t = this; this.circles.forEach(function (i, n) { if (i.position.x > t.area.width || i.position.y > t.area.height) { return t.circles.splice(n, 1) } i.move() }), 0 == this.circles.length && (this.stop = !0) } }, { key: "draw", value: function () { this.circles.forEach(function (t) { return t.draw() }) } }]), i) })(); new ((function () { function i() { t(this, i), (this.computerCanvas = document.createElement("canvas")), (this.renderCanvas = document.createElement("canvas")), (this.computerContext = this.computerCanvas.getContext("2d")), (this.renderContext = this.renderCanvas.getContext("2d")), (this.globalWidth = window.innerWidth), (this.globalHeight = window.innerHeight), (this.booms = []), (this.running = !1) } return (n(i, [{ key: "handleMouseDown", value: function (t) { var i = new o({ origin: { x: t.clientX, y: t.clientY }, context: this.computerContext, area: { width: this.globalWidth, height: this.globalHeight } }); i.init(), this.booms.push(i), this.running || this.run() } }, { key: "handlePageHide", value: function () { (this.booms = []), (this.running = !1) } }, { key: "init", value: function () { var t = this.renderCanvas.style; (t.position = "fixed"), (t.top = t.left = 0), (t.zIndex = "5201314"), (t.pointerEvents = "none"), (t.width = this.renderCanvas.width = this.computerCanvas.width = this.globalWidth), (t.height = this.renderCanvas.height = this.computerCanvas.height = this.globalHeight), document.body.append(this.renderCanvas), window.addEventListener("mousedown", this.handleMouseDown.bind(this)), window.addEventListener("pagehide", this.handlePageHide.bind(this)) } }, { key: "run", value: function () { var t = this; if (((this.running = !0), 0 == this.booms.length)) { return (this.running = !1) } requestAnimationFrame(this.run.bind(this)), this.computerContext.clearRect(0, 0, this.globalWidth, this.globalHeight), this.renderContext.clearRect(0, 0, this.globalWidth, this.globalHeight), this.booms.forEach(function (i, n) { if (i.stop) { return t.booms.splice(n, 1) } i.move(), i.draw() }), this.renderContext.drawImage(this.computerCanvas, 0, 0, this.globalWidth, this.globalHeight) } }]), i) })())().init() });
