JS set root node (HTML) font-size font size based on device width

JS set root node (HTML) font-size font size based on device width

(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 ';

};

})();

Http://baoxian.pingan.com/pa18shopnst/u/wx/product/bankCardSafe/index.shtml

1190000004189237?_ea=522147

Http://caibaojian.com/flexible-js.html

Http://caibaojian.com/web-app-rem.html

Http://huodong.m.taobao.com/act/yibo.html

Http://121.40.99.17/global/rem-phone.html

Head pixel

<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= ' + S Cale + ', User-scalable=no '/> '

+ ' <link ' + ' type= "text/css" rel= "StyleSheet" href= "http//' + assetshost + '/mtb/app-index/' + assetsversion + '/index ' + ratio + '. css ' + '/> ';

document.write (text);

})();

</script>

JS set root node (HTML) font-size font size based on device width