检测输入数据是否是网址,如果不合法,浏览器将会提示;不需要写js
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title></title>
</head>
<body>
<form>
<input type="url">
<input type="submit" value="提交">
</form>
</body>
</html>
检测输入数据是否是网址,如果不合法,浏览器将会提示;不需要写js
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title></title>
</head>
<body>
<form>
<input type="url">
<input type="submit" value="提交">
</form>
</body>
</html>