js代码

"js/jquery-3.0.0.min.js"> 
"text/javascript"> 
    $(function () { 
        $(".barrager").barrager() 
    }); 
    (function () { 
        var Barrager = function (ele,options) { 
            var defaults = { 
                color:["#ff9999","#35d2f4","#9ee353","#9d77ff","#4785d9","#ff9333","#5bdea8","#51befc"], 
                wrap:ele 
            }; 
            this.settings = $.extend({},defaults,options||{}); 
            this._init(); 
            this.bindEven(); 
        }; 
        Barrager.prototype = { 
            _init:function () { 
                var item = $(this.settings.wrap).find("div"); 
                for(var i = 0;i{ 
                    item.eq(i).css({ 
                        top:this.getReandomTop()+"px", 
                        color:this.getReandomColor(), 
                        fontSize:this.getReandomSize()+"px" 
                    }); 
                    item.eq(i).css({ 
                        right:-item.eq(i).width() 
                    }) 
                } 
                this.randomTime(0); 
            }, 
            bindEven:function () { 
                var _this = this; 
                $(".addBarrager .submit").on('click',function () { 
                    _this._click(_this); 
                }); 
            }, 
            getReandomColor:function () { 
                var max = this.settings.color.length; 
                var randomNum = Math.floor(Math.random()*max); 
                return this.settings.color[randomNum]; 
            }, 
            getReandomTop:function () { 
                var top = (Math.random()*450).toFixed(1); 
                return top; 
            }, 
            getReandomSize:function () { 
                var size = (12+Math.random()*28); 
                return size; 
            }, 
            getReandomTime:function () { 
                var time = Math.floor((8+Math.random()*10)); 
                return time*1000; 
            }, 
            randomTime:function (n) { 
                var obj = $(this.settings.wrap).find("div"); 
                var _this = this; 
                var len = obj.length; 
                if(n>=len){ 
                    n=0; 
                } 
                setTimeout(function () { 
                    n++; 
                    _this.randomTime(n) 
                },1000); 
                var item = obj.eq(n),_w = item.outerWidth(!0); 
                item.animate({ 
                    left:-_w 
                },_this.getReandomTime(),"linear",function () { 
                    item.css({right:-_w,left:""}); 
                    _this.randomTime(n) 
                }); 
            }, 
            _click:function (obj) { 
                var _this = obj; 
                var _val = $(".barVal"); 
                if(_val.val() == ""){ 
                    alert("请描述你对TA的印象！"); 
                    return false; 
                } 
                $(_this.settings.wrap).append("
"+_val.val()+"
"); 
                _this._init(); 
                _val.val(""); 
            } 
        }; 
        $.fn.barrager = function (opt) { 
            var bger = new Barrager(this,opt); 
        } 
    })(jQuery);