Style borderWidth egenskapen

Definition och användning

borderWidth Egenskapen ställer in eller returnerar elementets kantbredd.

Denna egenskap kan använda ett till fyra värden:

  • En värde, till exempel: p {border-width: tjock} - alla fyra kanter är tjocka
  • Two values, for example: p {border-width: thick thin} - Top and bottom borders thick, left and right borders thin
  • Three values, for example: p {border-width: thick thin medium} - Top border thick, left and right borders thin, bottom border medium
  • Four values, for example: p {border-width: thick thin medium 10px} - Top border thick, right border thin, bottom border medium, left border 10px

See also:

CSS Tutorial:CSS-ramar

CSS Reference Manual:border-width property

HTML DOM Reference Manual:border property

Example

Example 1

Change the width of the four borders of the <div> element:

document.getElementById("myDiv").style.borderWidth = "thick";

Try it yourself

Example 2

Change the top and bottom border widths of the <div> element to thick and the left and right border widths to thin:

document.getElementById("myDiv").style.borderWidth = "thick thin";

Try it yourself

Example 3

Use length values to change the width of the four borders of the <div> element:

document.getElementById("myDiv").style.borderWidth = "1px 5px 10px 20px";

Try it yourself

Example 4

Return the border width of the <div> element:

alert(document.getElementById("myDiv").style.borderWidth);

Try it yourself

Syntax

Return borderWidth property:

object.style.borderWidth

Set borderWidth property:

object.style.borderWidth = "thin|medium|thick|length|initial|inherit"
Value Description
thin Defines a thin border.
medium Defines a medium border. Default.
thick Defines a thick border.
length Border width measured in length.
initial Sets this property to its default value. See also initial.
inherit Inherits this property from its parent element. See also inherit.

Technical details

Default value: medium
Return value: A string that represents the width of the element's border.
CSS version: CSS1

Webbläsarstöd

Chrome Edge Firefox Safari Opera
Chrome Edge Firefox Safari Opera
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