Propriété borderWidth du style

Définition et utilisation

borderWidth Cette propriété configure ou retourne la largeur de la bordure de l'élément.

Cette propriété peut accepter une à quatre valeurs :

  • Une valeur, par exemple : p {border-width: épais} - Tous les quatre bords sont épais
  • 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 :Bordure CSS

CSS Reference Manual :border-width property

HTML DOM Reference Manual :border property

Instance

Example 1

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

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

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Example 2

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

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

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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";

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Example 4

Return the border width of the <div> element :

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

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Syntax

Return borderWidth property :

object.style.borderWidth

Set borderWidth property :

object.style.borderWidth = "thin|medium|thick|length|initial|inherit"
Value Description
thin Define thin border.
medium Define medium border. Default.
thick Define thick border.
length Border width measured in length.
initial Set this property to its default value. See initial.
inherit Inherit this property from its parent element. See inherit.

Technical details

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

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