hoosin/tree.html

## tree.html
<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>圣诞树</title>
	<style type="text/css">
	#innter{text-align: center;}
	</style>
</head>
<body>
	<div id="innter"></div>
	<script>
	var html='<table>'
	for (var i = 0; i < 40; i++) {
		html+='<tr><td align=center>';
		var str='';
		for (j = 1; j <= i; j++) {
			str = str + "*";
		}
		html+=str;
		html+='</td></tr>'
	};
	html+='</table>'
	document.getElementById('innter').innerHTML=html;
	</script>
</body>
</html>
	<!DOCTYPE html>
	<html lang="en">
	<head>
	<meta charset="UTF-8">
	<title>圣诞树</title>
	<style type="text/css">
	#innter{text-align: center;}
	</style>
	</head>
	<body>
	<div id="innter"></div>
	<script>
	var html='<table>'
	for (var i = 0; i < 40; i++) {
	html+='<tr><td align=center>';
	var str='';
	for (j = 1; j <= i; j++) {
	str = str + "*";
	}
	html+=str;
	html+='</td></tr>'
	};
	html+='</table>'
	document.getElementById('innter').innerHTML=html;
	</script>
	</body>
	</html>