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最近测试发现，html5游戏在三星note手机上初次加载都会模糊，刷新之后就不模糊了，不知道是什么原因，本人对底层的东西也不熟，后来问了个同事，找到个解决方案，现记录一下。<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>
添加以上代码到头部就行了。
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原文地址：http://my.oschina.net/lonewolf/blog/364862
