js判断横竖屏及禁止浏览器滑动条示例_javascript技巧

function listener(type){
if('add' == type){
//竖屏模式
$horizontal.addClass('hide');
$document.off('touchstart', touchstart);
$document.off('touchend', touchend);
}else{
//横屏模式
$horizontal.removeClass('hide');
$document.on('touchstart', touchstart);
$document.on('touchend', touchend);
}
}
function orientationChange(){
switch(window.orientation) {
//竖屏模式
case 0:
case 180:
listener('add');
break;
//横屏模式
case -90:
case 90:
listener('remove');
break;
}
}

$(window).on("onorientationchange" in window ? "orientationchange" : "resize", orientationChange);

$document.ready(function(){
//以横屏模式进入界面，提示只支持竖屏
if(window.orientation == 90 || window.orientation == -90){
listener('remove');
}
});