说明: 十字定全局
效果: 运行后查看!
代码:
<!--第二步:把如下代码加入<body>区--> <script> var size=10 var moves = 0 var off = size*2 var on = 0 var current = null function doOver() { if ((event.srcElement.tagName=="TD") && (current!=event.srcElement)) { if (current!=null) current.style.backgroundColor = current._background event.srcElement._background = event.srcElement.style.backgroundColor event.srcElement.style.backgroundColor = "lightgrey" current = event.srcElement } } function setColor(el) { if ((el._background=="") || (el._background==null)) { el.style.backgroundColor = "yellow" el._background = "yellow" } else {
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