js禁止滚动条滚动并且隐藏滚动条

禁止鼠标滑过滚动条滚动

document.body.onmousewheel = function () {return false;}

恢复鼠标滑过滚动条滚动

document.body.onmousewheel = function () {return true;}

禁止键盘控制滚动条滚动

document.body.onkeydown = function (e) {
  if (e.keyCode == 38 || e.keyCode == 40) {
     return false;
  }
}

恢复键盘控制滚动条滚动

document.body.onkeydown = function (e) {
  if (e.keyCode == 38 || e.keyCode == 40) {
     return true;
  }
}

css隐藏滚动条样式：

::-webkit-scrollbar {
   overflow-x:hidden;
}