Style borderLeftWidth Property

Definition and Usage

borderLeftWidth Sets or returns the width of the element's left border.

See Also:

CSS Tutorial:CSS Border

CSS Reference Manual:border-left-width Property

HTML DOM Reference Manual:border Property

Example

Example 1

Changes the left border width of the <div> element to 10px:

document.getElementById("myDiv").style.borderLeftWidth = "10px";

Try It Yourself

Example 2

Changes the left border width of the <div> element to thin:

document.getElementById("myDiv").style.borderLeftWidth = "thin";

Try It Yourself

Example 3

Returns the width of the left border of the <div> element:

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

Try It Yourself

Syntax

Returns the borderLeftWidth property:

object.style.borderLeftWidth

Sets the borderLeftWidth property:

object.style.borderLeftWidth = "thin|medium|thick|length|initial|inherit"

Property Value

Value Description
thin Defines thin border.
medium Defines medium border. Default.
thick Defines thick border.
length Border width in length units.
initial Sets this property to its default value. See initial.
inherit Inherits this property from its parent element. See inherit.

Technical Details

Default Value: medium
Return Value: A string representing the width of the element's left border.
CSS Version: CSS1

Browser Support

Chrome Edge Firefox Safari Opera
Chrome Edge Firefox Safari Opera
Support Support Support Support Support