张小杰123
2015-05-21 22:35
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>逻辑与</title>
<script type="text/javascrip" language="javascript">
var numa,numb;
/*赋值*/
numa=60;
numb=70;
if(numa>=60 && numb>=60)
{
document.write("javascript考核通过!"+ "</br>"
);
}
</script>
</head>
<body>
</body>
</html>
</br>??? 单标签可以这样写?<br>或<br/>
+"<br>"
<script type="text/javascrip" language="javascript"> 自己好好看看这行代码?
JavaScript进阶篇
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