CSS border-width属性

描述

border-width 是一个缩写属性，用于设置元素的四个边框的宽度。

可能的值

length - 任何长度单位。该属性的长度单位不能是负数。
thin - 比中等边框薄的边框。
medium - 比细边框厚，比粗边框薄的边框。
thick - 比中等边框厚的边框。

适用于

所有HTML元素。

DOM语法

object.style.borderWidth = "2px";

示例

以下是一个例子，展示所有边框的宽度−

<html>
   <head>
   </head>

   <body>
      <p style = "border-width:4px; border-style:solid;">
         This is a solid border whose width is 4px.
      </p>

      <p style = "border-width:4pt; border-style:solid;">
         This is a solid border whose width is 4pt.
      </p>

      <p style = "border-width:thin; border-style:solid;">
         This is a solid border whose width is thin.
      </p>

      <p style = "border-width:medium; border-style:solid;">
         This is a solid border whose width is medium;
      </p>

      <p style = "border-width:thick; border-style:solid;">
         This is a solid border whose width is thick.
      </p>

      <p style = "border-bottom-width:4px;border-top-width:10px;
         border-left-width: 2px;border-right-width:15px;border-style:solid;">
         This is a a border with four different width.
      </p>

   </body>
</html>