阻止事件冒泡   window.enent ? window.enent.cancelBubble = true : e.stopPropagation()

function stopBubble(event){
    if(window.event){//兼容IE
        window.event.cancelBubble=true;
    }else{
        event.stopPropagation();
    }
}
 


阻止默认事件  window.event? window.event.returnValue=false : event.preventDefault(): return false

function stopDefaultEvent(event){
    if(window.event){//兼容IE
    window.event.returnValue=false;
    }else{
    event.preventDefault()
    }
    return false;
}