将重置和文本框放在form标签外重置失去作用，尔在form内重置所有文本框
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>我和火影</title>
</head>
<body>
<h2>我和火影</h2>
<p>我喜欢<a href=https://detail.tmall.com/item.htm?spm=a1z10.1-b-s.w10849802-15612169192.2.7d282c67tq5yAF&id=549945636801&sku_properties=5919063:6536025&scene=taobao_shop target=_blank >火影忍者</a>
</p>
<hr/>
<form>
<label for="a">y佐助</label>
<input type=checkbox value="佐助" name=ss id="a"/>
<label for="b">鸣人</label>
<input type=checkbox value="鸣人" name=dd id="b" ><br/>
请写下喜欢的原因：<br/>
<input type="reset" >
<hr/>
</form>
<textarea cor="10" rows="20">
发
</textarea>
<input type="reset" >
</body>
</html>
