JavaScript学习之自定义对象小游戏找不同颜色

来源：互联网发布：数据不被单独保存编辑：程序博客网时间：2024/06/03 12:47

由于这个也是自定义对象写的代码，之前的博客中也有自定义对象方法，有详细的注释，这个就不再写注释了。
js代码：

        <script type="text/javascript">            var Box;            var Yuan;            function box() {                this.width = "500";                this.height = "500";                this.margin = "100px auto";                this._box = null;                this.creatbox = function() {                    if(this._box == null) {                        this._box = document.createElement("div");                        this._box.className="divbg";                        this._box.style.width = this.width + "px";                        this._box.style.height = this.height + "px";                        this._box.style.margin = this.margin;                        document.body.appendChild(this._box);                    }                }            }            function yuan() {                this.borderradius = "50%";                this.float = "left";                this.creatyuan = function(count) {                    document.getElementsByClassName("divbg")[0].innerHTML="";                    var backcolor = "rgb(" + Math.floor(Math.random() * 255) + "," + Math.floor(Math.random() * 255) + "," + Math.floor(Math.random() * 255) + ")";                    var num = Math.floor(Math.random() * (count * count));                    for(i = 0; i < count * count; i++) {                        this._yuan = document.createElement("div");                        this._yuan.style.width = 500 / count + "px";                        this._yuan.style.height = 500 / count + "px";                        this._yuan.style.backgroundColor = backcolor;                        this._yuan.style.borderRadius = this.borderradius;                        this._yuan.style.float = this.float;                        if(i == num) {                            this._yuan.style.opacity = 0.5;                            this._yuan.addEventListener("click", clickblock);                        }                        Box._box.appendChild(this._yuan);                    }                }            }            function clickblock() {                countnum++;                Yuan.creatyuan(countnum);            }            var countnum = 3;            window.onload = function() {                Box = new box();                Box.creatbox();                Yuan = new yuan();                Yuan.creatyuan(countnum);            }        </script>

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