| 要完成此效果需要两个步骤 第一步:把如下代码加入到<head>区域中 <SCRIPT LANGUAGE="JavaScript">   <!-- Begin function doColor(item, color, bg) { item.style.color = color; // changes text color item.style.backgroundColor = bg; // changes background }   function undoColor(item) { item.style.color = "#000000"; // sets color back to black item.style.backgroundColor = ""; // sets background to default } //  End --> </script> 第二步:把如下代码加入到<body>区域中
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