判断横竖屏

全局添加旋转监听

window.addEventListener("orientationchange", function(event){
    if ( window.orientation == 180 || window.orientation == 0 ) 
    {
        alert("竖屏");
    }
    if( window.orientation == 90 || window.orientation == -90 ) 
    {
        alert("横屏");
    }
});

链接

cocos2d-JS 判断手机横竖屏 H5网页判断手机横屏或是竖屏