ios、安卓前端兼容性

input:focus{outline:none}
input:{-webkit-appearance: none;}

<meta name="format-detection" content="telephone=no"> 
<meta http-equiv="x-rim-auto-match" content="none">

<meta content="email=no" name="format-detection" />

line-height: （和input框的高度一样高）---pc端解决方法
line-height：normal ---移动端解决方法

input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
    -webkit-appearance: none !important;
    margin: 0;
}

img{ 
    pointer-events: none; 
} 

window.onload=function () { 
      禁止双击放大 
      document.addEventListener(‘touchstart‘,function (event) {  
            if(event.touches.length>1){  
                event.preventDefault();  
            }  
        })  
        var lastTouchEnd=0;  
        document.addEventListener(‘touchend‘,function (event) {  
            var now=(new Date()).getTime();  
            if(now-lastTouchEnd<=300){  
                event.preventDefault();  
            }  
            lastTouchEnd=now;  
        },false);
      禁止手势放大
      document.addEventListener(‘gesturestart‘, function (event) {
         event.preventDefault();
      });
}

body {
-webkit-overflow-scrolling: touch;
overflow-scrolling: touch;
}