JavaScript禁用页面刷新

//禁用F5刷新
document.onkeydown = function ()
{
    if (event.keyCode == 116) {
        event.keyCode = 0;
        event.cancelBubble = true;
        return false;
    }
}

//禁止右键弹出菜单
document.oncontextmenu = function () {
    return false;
}