(function() {
window.onclick = function(event) {
var heart = document.createElement("b");
heart.onselectstart = new Function('event.returnValue=false');
document.body.appendChild(heart).innerHTML = "❤";
heart.style.cssText = "position: fixed;left:-100%;";
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() {
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;
}
}, 12)
}
// 随机颜色
function randomColor() {
return "rgb(" + (~~(Math.random() * 255)) + "," + (~~(Math.random() * 255)) + "," + (~~(Math.random() * 255)) + ")";
}
}())
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