<!DOCTYPE HTML>
<html>
<head>
<meta charset=“utf-8”>
<script>
（function（）{
fixwLayou（）；
windows.addEventListener('resize',fixwLayou);
function fixwLayou() {
const width = window.screen.width;
const fixW = 750 //移动图宽;
const scale = width / fixw;
const meta = document.createElement('meta');
meta.setAttribute('name','viewport');
meta.setAttribute('content','width =' fixW+',initial-scale='+scale+',maximum-scale='+scale+',user-scaleable=no');
document.head.appendChild(meta);
}
}）()
</script>
<style>
</style>
</head>
<body>
</body>
</html>