JS根据设备宽度设置根节点（html）font-size字体大小
JS根据设备宽度设置根节点（html）font-size字体大小
(function () {
document.addEventListener('DOMContentLoaded', function () {
var deviceWidth = document.documentElement.clientWidth;
document.documentElement.style.fontSize = deviceWidth / 6.4 + 'px';
}, false);
window.onresize = function(){
var deviceWidth = document.documentElement.clientWidth;
document.documentElement.style.fontSize = deviceWidth / 6.4 + 'px';
};
})();
baoxian.pingan.com/pa18shopnst…
huodong.m.taobao.com/act/yibo.ht…
http://121.40.99.17/global/rem-phone.html
头部像素
<script type="text/javascript">
var scale = 1.0, ratio = 1, assetsHost = 'g.tbcdn.cn', assetsVersion = '0.5.12', isTestEnv = false;
(function() {
if (location.host.match(/(waptest|wapa)\.taobao\.com$/i)) {
assetsHost = 'g.assets.daily.taobao.net';
assetsVersion = '0.5.12';
isTestEnv = true;
}
if (window.devicePixelRatio === 2 && window.navigator.appVersion.match(/iphone/gi)) {
scale = 0.5;
ratio = 2;
}
var text = '<meta name="viewport" content="initial-scale=' + scale + ', maximum-scale=' + scale +', minimum-scale=' + scale + ', user-scalable=no" />'
+ '<link' + ' type="text/css" rel="styleSheet" href="http://' + assetsHost + '/mtb/app-index/' + assetsVersion + '/index' + ratio + '.css"' + ' />';
document.write(text);
})();
</script>
