原生javascript做五子棋的一点小问题

qq_28629495 2016-05-17 05:42:18
<script>
document.getElementsByTagName('table')[0].onclick = function(ev){
var temp = document.createElement('div');
temp.className="demo";
temp1 = ev.target;//td节点
temp2 = ev.target.appendChild(temp);//div节点
console.log(temp1);
};
</script>

我写的这个js是每当td点击一下,都会在当前的td下动态添加一个div元素,想象一下五子棋,这个位置已经有棋子了,所以不可能再让棋子放进来,怎么解决?
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qq_28629495 2016-05-17
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你说的很对···我已经受用。但是分已经 给了 不好意思,那个Table帖子见吧。。
xuzuning 2016-05-17
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1、你怎么知道鼠标点击的就是 td 而不是 div 或 tr 呢? 2、你怎么知道那个 ev 就一定会被传入呢? 你至少需要 ev = ev || event; var el = ev.Target || ev.srcElement 于是有 if(el.nodeName == 'TD') { //在这里添加 div }
qq_28629495 2016-05-17
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很厉害,我找了很多方法 都没行的通,刚学习javascript 真的很厉害。感谢您。 请收下我的菊花。
天际的海浪 2016-05-17
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document.getElementsByTagName('table')[0].onclick = function(ev){ var temp1 = ev.target;//td节点 if (temp1.getElementsByTagName("div").length>0) { alert("这个位置已经有棋子了"); return; } var temp = document.createElement('div'); temp.className="demo"; temp2 = ev.target.appendChild(temp);//div节点 };
slwsss 2016-05-17
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给这个td加个标记
原生JavaScript实现简单五子棋游戏   本文实例为大家分享了JavaScript实现简单五子棋游戏的具体代码,供大家参考,具体内容如下  HTML页面  注释都很明确了,大家好好学习。                      <em>五子棋</em></t</a></div><div data-report-view="{"mod":"popu_645","index":"2","dest":"https://download.csdn.net/download/qinzhenzhou/2992208","strategy":"2~default~OPENSEARCH~Rate","extra":"{\"utm_medium\":\"distribute.pc_relevant_bbs_down_v2.none-task-download-2~default~OPENSEARCH~Rate-2-2992208-bbs-391952938.264^v3^pc_relevant_bbs_down_v2_default\",\"dist_request_id\":\"1714055448032_11214\"}","spm":"1035.2023.3001.6557"}" class="list-item" data-v-ca2d15ac><div class="recommend-title" data-v-ca2d15ac><img 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