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| //点击显示爱心功能
!(function (e, t, a) {
function n() {
c(
".heart{width: 10px;height: 10px;position: fixed;background: #f00;transform: rotate(45deg);-webkit-transform: rotate(45deg);-moz-transform: rotate(45deg);}.heart:after,.heart:before{content: '';width: inherit;height: inherit;background: inherit;border-radius: 50%;-webkit-border-radius: 50%;-moz-border-radius: 50%;position: fixed;}.heart:after{top: -5px;}.heart:before{left: -5px;}"
),
o(),
r()
}
function r() {
for (var e = 0; e < d.length; e++)
d[e].alpha <= 0
? (t.body.removeChild(d[e].el), d.splice(e, 1))
: (d[e].y--,
(d[e].scale += 0.004),
(d[e].alpha -= 0.013),
(d[e].el.style.cssText =
'left:' +
d[e].x +
'px;top:' +
d[e].y +
'px;opacity:' +
d[e].alpha +
';transform:scale(' +
d[e].scale +
',' +
d[e].scale +
') rotate(45deg);background:' +
d[e].color +
';z-index:99999'))
requestAnimationFrame(r)
}
function o() {
var t = 'function' == typeof e.onclick && e.onclick
e.onclick = function (e) {
t && t(), i(e)
}
}
function i(e) {
var a = t.createElement('div')
;(a.className = 'heart'),
d.push({
el: a,
x: e.clientX - 5,
y: e.clientY - 5,
scale: 1,
alpha: 1,
color: s(),
}),
t.body.appendChild(a)
}
function c(e) {
var a = t.createElement('style')
a.type = 'text/css'
try {
a.appendChild(t.createTextNode(e))
} catch (t) {
a.styleSheet.cssText = e
}
t.getElementsByTagName('head')[0].appendChild(a)
}
function s() {
return (
'rgb(' +
~~(255 * Math.random()) +
',' +
~~(255 * Math.random()) +
',' +
~~(255 * Math.random()) +
')'
)
}
var d = []
;(e.requestAnimationFrame = (function () {
return (
e.requestAnimationFrame ||
e.webkitRequestAnimationFrame ||
e.mozRequestAnimationFrame ||
e.oRequestAnimationFrame ||
e.msRequestAnimationFrame ||
function (e) {
setTimeout(e, 1e3 / 60)
}
)
})()),
n()
})(window, document)
|
