手机端自适应缩放显示 js
<script>
var _width = parseInt(window.screen.width);
var scale = _width/640;
var ua = navigator.userAgent.toLowerCase();
var result = /android (\d+\.\d+)/.exec(ua);
if (result){
var version = parseFloat(result[1]);
if(version>2.3){
document.write(‘<meta name="viewport" content="width=640, minimum-scale = ‘+scale+‘, maximum-scale = ‘+scale+‘, 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, user-scalable=no, target-densitydpi=device-dpi">‘);
}
</script>
注：参考于网上代码，笔记记下
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