三星note手机上html5画面模糊解决方案

<meta name="viewport" content="width=device-width,target-densitydpi=device-dpi,initial-scale=1.0,minimum-scale=1.0,maximum-scale=1.0,user-scalable=no">
    <script type="text/javascript">
    var phoneWidth = parseInt(window.screen.width);
    var phoneScale = phoneWidth / 640;
    var ua = navigator.userAgent;
    if (/Android (\d+\.\d+)/.test(ua)) {
        var version = parseFloat(RegExp.$1);
        if (version > 2.3) {
            document.write(‘<meta name="viewport" content="width=640, minimum-scale = ‘ + phoneScale + ‘, maximum-scale = ‘ + phoneScale + ‘, target-densitydpi=device-dpi">‘);
        } else {
            document.write(‘<meta name="viewport" content="width=640, target-densitydpi=device-dpi">‘);
        }
    } else {
        document.write(‘<meta name="viewport" content="width=640, target-densitydpi=device-dpi">‘);
    }
    </script>

三星note手机上html5画面模糊解决方案

原文：http://my.oschina.net/lonewolf/blog/364862