<div style="width:100px;height:100px;overflow-x:hidden;overflow-y:auto;background-color:#000000">

selector{
 overflow-y: scroll;
 overflow-x: hidden;
}

带有snippet和jsfiddle的工作示例link https://jsfiddle.net/sx8u82xp/3/

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你可以这样使用css:

overflow-y: scroll;
overflow-x: hidden;

使用CSS。它比javascript更简单更快。

overflow-x: hidden;
overflow-y: scroll;

通过添加以下代码，完全禁用水平滚动条。

body{
  overflow-x: hidden;
  overflow-y: scroll;
}

在HTML表单框中使用wrap=virtual可以消除框底部的水平滚动条:

  <textarea name= "enquiry" rows="4" cols="30" wrap="virtual"></textarea>

参见示例:http://jsbin.com/opube3/2(在FF和IE上测试)