手机上网页宽度自适应问题

1 手机上网页宽度自适应问题

<meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no">

有些设配要加两条

<meta name="viewport" content="width=device-width">
 <meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no">