1.
(function (doc, win) {
var docEl = doc.documentElement,
resizeEvt = 'orientationchange' in window ? 'orientationchange' : 'resize',
recalc = function () {
var clientWidth = docEl.clientWidth;
if (!clientWidth) return;
docEl.style.fontSize = (clientWidth / 15) * 4 + 'px';
};
if (!doc.addEventListener) return;
win.addEventListener(resizeEvt, recalc, false);
doc.addEventListener('DOMContentLoaded', recalc, false);
})(document, window);
2.
<script>
var initHandle = function() {
function Rem() {
if (document.documentElement.clientWidth <= 320) {
document.documentElement.style.width = 320 + "px";
} else {
var rem = document.documentElement.clientWidth / 7.5;
document.documentElement.style.fontSize = rem + 'px';
}
}
var Dw = document.documentElement.clientWidth
if (Dw <= 750) {
Rem()
} else {
document.documentElement.style.fontSize = '16px';
}
}
initHandle()
window.onresize = function() {
initHandle()
}
</script>
3.连接flexible.js
<script src="../libs/flexible.js"></script>
4.
<script>
var reg = document.documentElement.clientWidth;
document.documentElement.style.fontSize = 100 * reg / 750 + "px"
</script>
<style>
* {
font-size: .14rem;
}
</style>
