EMlog鼠标点击爱心特效

教程代码

1. <script>
2. !function(e, t, a) {
3. function r() {
4. 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");
5. requestAnimationFrame(r)
6. }
7. function n() {
8. var t = "function" == typeof e.onclick && e.onclick;
9. e.onclick = function(e) {
10. t && t(),
11. o(e)
12. }
13. }
14. function o(e) {
15. var a = t.createElement("div");
16. a.className = "heart",
17. s.push({
18. el: a,
19. x: e.clientX - 5,
20. y: e.clientY - 5,
21. scale: 1,
22. alpha: 1,
23. color: c()
24. }),
25. t.body.appendChild(a)
26. }
27. function i(e) {
28. var a = t.createElement("style");
29. a.type = "text/css";
30. try {
31. a.appendChild(t.createTextNode(e))
32. } catch(t) {
33. a.styleSheet.cssText = e
34. }
35. t.getElementsByTagName("head")[0].appendChild(a)
36. }
37. function c() {
38. return "rgb(" + ~~ (255 * Math.random()) + "," + ~~ (255 * Math.random()) + "," + ~~ (255 * Math.random()) + ")"
39. }
40. var s = [];
41. e.requestAnimationFrame = e.requestAnimationFrame || e.webkitRequestAnimationFrame || e.mozRequestAnimationFrame || e.oRequestAnimationFrame || e.msRequestAnimationFrame ||
42. function(e) {
43. setTimeout(e, 1e3 / 60)
44. },
45. i(".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;}"),
46. n(),
47. r()
48. } (window, document);
49. </script>