//获取滚轮的增值量
function getWheelDelta(event){
if(event.wheelDelta){
return (client.engine.opera&&client.engine.opera<9.5?-event.wheelDelta:event.wheelDelta)
}else{
return -event.detail*40;
}
}
//获取滚轮的增值量
function getWheelDelta(event){
if(event.wheelDelta){
return (client.engine.opera&&client.engine.opera<9.5?-event.wheelDelta:event.wheelDelta)
}else{
return -event.detail*40;
}
}
转载于:https://www.cnblogs.com/xiaomier/archive/2013/06/03/3115740.html