javascript - 单人纸牌游戏 - 将纸牌堆叠在一起

Question

下面是我的代码，我想在 div 上放置(堆叠)卡片 ..但只有第一张卡片放置为 -20px，其他所有卡片都放置为 0px..position ....如何解决？ :(函数 myFunction() { 对于(j=1；j<8；j++){

            for(i=1;i<7;i++){
                if(j<2){
                var x = document.createElement("IMG");
                x.setAttribute("src", "AllCards/cvr.png");
                x.setAttribute("id", "r"+j);
                x.setAttribute("width", "auto");
                x.setAttribute("height", "auto");
                x.setAttribute("alt", "one");
                document.getElementById("c"+i).appendChild(x);
                alert("r"+j+" c"+i);

                //document.getElementById("r"+j).style.position = "relative";
                //document.getElementById("r"+j).style.top="20px";

                }
                else if(j<3){
                var x = document.createElement("IMG");
                x.setAttribute("src", "AllCards/cover.png");
                x.setAttribute("id", "r"+j);
                x.setAttribute("width", "auto");
                x.setAttribute("height", "auto");
                x.setAttribute("alt", "one");
                //alert("c"+i);

                //alert("r"+j+" c"+i);

                document.getElementById("c"+i).appendChild(x);
                document.getElementById("r"+j).style.position = "relative";

                document.getElementById("r"+j).style.top="-80px";

                //alert("r"+j);

                }

                /*else if(j<4){
                var x = document.createElement("IMG");
                x.setAttribute("src", "AllCards/cvr.png");
                x.setAttribute("width", "auto");
                x.setAttribute("height", "auto");
                x.setAttribute("alt", "one");
                //document.getElementById("c"+i).style.position = "relative";
                //document.getElementById("c"+i).style.top="-20px";
                document.getElementById("c"+i).appendChild(x);
                }
                else if(j<5){
                var x = document.createElement("IMG");
                x.setAttribute("src", "AllCards/cvr.png");
                x.setAttribute("width", "auto");
                x.setAttribute("height", "auto");
                x.setAttribute("alt", "one");
                //document.getElementById("c"+i).style.position = "relative";
                //document.getElementById("c"+i).style.top="-20px";
                document.getElementById("c"+i).appendChild(x);
                }
                else if(j<6){
                var x = document.createElement("IMG");
                x.setAttribute("src", "AllCards/cvr.png");
                x.setAttribute("width", "auto");
                x.setAttribute("height", "auto");
                x.setAttribute("alt", "one");
                //document.getElementById("c"+i).style.position = "relative";
                //document.getElementById("c"+i).style.top="-20px";
                document.getElementById("c"+i).appendChild(x);
                }
                else if(j<7){
                var x = document.createElement("IMG");
                x.setAttribute("src", "AllCards/cvr.png");
                x.setAttribute("width", "auto");
                x.setAttribute("height", "auto");
                x.setAttribute("alt", "one");
                //document.getElementById("c"+i).style.position = "relative";
                //document.getElementById("c"+i).style.top="-20px";
                document.getElementById("c"+i).appendChild(x);
                }
                else if(j<8){
                var x = document.createElement("IMG");
                x.setAttribute("src", "AllCards/cvr.png");
                x.setAttribute("width", "auto");
                x.setAttribute("height", "auto");
                x.setAttribute("alt", "one");
                //document.getElementById("c"+i).style.position = "relative";
                //document.getElementById("c"+i).style.top="-20px";
                document.getElementById("c"+i).appendChild(x);
                }
                */


            }
        }
    }

Answer 1

您是否考虑过将 css 类设置为属性并将定位细节放入其中？例如

x.setAttribute("class", "rClass");

CSS:

.rClass {
   top:-80px;
   position:relative;
}