在html文件head标签内添加
<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=0" />
<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no" />
控制初始可视区大小及是否允许用户放大缩小
/*禁止ios缩放，双击和双指*/
window.οnlοad = function () {
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);
document.addEventListener('gesturestart', function (event) {
event.preventDefault();
});
};
