更新手机面input框放大问题_html/css_WEB-ITnose

<script>     if(/Android (\d+\.\d+)/.test(navigator.userAgent)){        var version = parseFloat(RegExp.$1);     if(version>2.3){        var phoneScale = parseInt(window.screen.width)/720;        document.write('<meta name="viewport" content="width=720, minimum-scale = '+ phoneScale +', maximum-scale = '+ phoneScale +', user-scalable=no, target-densitydpi=device-dpi">');        }else{             document.write('<meta name="viewport" content="width=720, target-densitydpi=device-dpi">');        }        }else{             document.write('<meta name="viewport" content="width=720, user-scalable=no, target-densitydpi=device-dpi">');        } </script>