HTML5 Gravity Sensor

Orientationchange Judging Screen flipping

Window.orientation can get the orientation of the screen

var Orientationtimmer = Null;window.addeventlistener (window[' Onorientationchange ')? ' Orientationchange ': ' Resize ', function () {       cleartimeout (orientationtimmer);       Orientationtimmer = SetTimeout (function () {       if (window.orientation) {       switch (window.orientation) {       case All:       alert (' left-handed ') break       ;       CASE-90:       alert (' right-handed ') break       ;}       }       },200);           }, False);

　　

HTML5 Gravity Sensor