Web/Js/weibo.js

微信扫码关注公众号，代码整理好后第一时间通知你。

function H$(i) { return document.getElementById(i) }
function H$$(c, p) { return p.getElementsByTagName(c) }
var slider = function () {
    //alert("come new slider");
    function init(o) {
        this.id = o.id;
        this.at = o.auto ? o.auto : 3;
        this.o = 0;
        this.pos();
    }
    init.prototype = {
        pos: function () {
            clearInterval(this.__b);
            this.o = 0;
            var el = H$(this.id), li = H$$('li', el), l = li.length;
            var _t = li[l - 1].offsetHeight;
            var cl = li[l - 1].cloneNode(true);
            cl.style.opacity = 0; cl.style.filter = 'alpha(opacity=0)';
            el.insertBefore(cl, el.firstChild);
            el.style.top = -_t + 'px';
            this.anim();
        },
        anim: function () {
            var _this = this;
            this.__a = setInterval(function () { _this.animH() }, 15);
        },
        animH: function () {
            var _t = parseInt(H$(this.id).style.top), _this = this;
            if (_t >= -1) {
                clearInterval(this.__a);
                H$(this.id).style.top = 0;
                var list = H$$('li', H$(this.id));
                H$(this.id).removeChild(list[list.length - 1]);
                this.__c = setInterval(function () { _this.animO() }, 15);
                //this.auto();
            } else {
                var __t = Math.abs(_t) - Math.ceil(Math.abs(_t) * .07);
                H$(this.id).style.top = -__t + 'px';
            }
        },
        animO: function () {
            this.o += 5;
            if (this.o == 100) {
                clearInterval(this.__c);
                H$$('li', H$(this.id))[0].style.opacity = 1;
                H$$('li', H$(this.id))[0].style.filter = 'alpha(opacity=100)';
                this.auto();
            } else {
                H$$('li', H$(this.id))[0].style.opacity = this.o / 100;
                H$$('li', H$(this.id))[0].style.filter = 'alpha(opacity=' + this.o + ')';
            }
        },
        auto: function () {
            var _this = this;
            this.__b = setInterval(function () { _this.pos() }, this.at * 1000);
        }
    }
    return init;
} ();