实现鼠标点击爱心特效的JS代码示例

<script>
!function(e, t, a) {
function r() {
for (var e = 0; e < s.length; e++) s[e].alpha <= 0 ? (t.body.removeChild(s[e].el), s.splice(e, 1)) : (s[e].y--, s[e].scale += .004, s[e].alpha -= .013, s[e].el.style.cssText = "left:" + s[e].x + "px;top:" + s[e].y + "px;opacity:" + s[e].alpha + ";transform:scale(" + s[e].scale + "," + s[e].scale + ") rotate(45deg);background:" + s[e].color + ";z-index:99999");
requestAnimationFrame(r)
}
function n() {
var t = "function" == typeof e.onclick && e.onclick;
e.onclick = function(e) {
t && t(),
o(e)
}
}
function o(e) {
var a = t.createElement("div");
a.className = "heart",
s.push({
el: a,
x: e.clientX - 5,
y: e.clientY - 5,
scale: 1,
alpha: 1,
color: c()
}),
t.body.appendChild(a)
}
function i(e) {
var a = t.createElement("style");
a.type = "text/css";
try {