HTML - DOM Style Object borderTopStyle Property

Quiz

HTML DOM Style Object borderTopStyle property sets or returns the top border style of an element.

Syntax

Set the borderTopStyle property:

object.style.borderTopStyle= "none | hidden | dotted | dashed | solid | double | groove | ridge | inset | outset | initial | inherit";

Get the borderTopStyle property:

object.style.borderTopStyle;

Property Values

Value	Description
none	It is default value which specifies no border.
hidden	It is same as 'none' but it creates a border which is transparent or not visible and takes the space as specified by border width. It is helpful in border conflict resolution in table elements.
dotted	It specifies a dotted border.
dashed	It specifies a dashed border.
solid	It specifies a solid border.
double	It defines a double border in which two lines are used as border and it's width is same as specified by borderWidth.
groove	It specifies a 3D grooved border whose effect depends on the border-color value.
ridge	It specifies a 3D grooved border whose effect depends on the border-color value.
inset	It specifies a 3D inset border whose effect depends on the border-color value.
outset	It specifies a 3D outset border whose effect depends on the border-color value.
initial	It is used to set this property to it's default value.
inherit	It is used to inherit the property of it's parent element.

Return Value

It returns a string value which represents top border style of an element.

Examples of HTML DOM Style Object 'borderTopStyle' Property

The following examples illustrates diiferent top border style values.

Change the Top Border Style

In the following example we have changed the top border style from dotted to solid.

<!DOCTYPE html>
<html>
<head>
    <title>
        HTML DOM Style Object borderTopStyle Property
    </title>
    <style>
        #border {
            border: 2px dotted;
        }
    </style>
</head>
<body>
    <p>
        Click to change the border style.
    </p>
    <button onclick="fun()">Change Border</button>
    <section id="border">
        Welcome to Tutorials Point...
    </section>
    <script>
        function fun() {
            document.getElementById("border")
                .style.borderTopStyle = "solid";
        }
    </script>
</body>
</html>

Set Top Border Styles to 'dotted', 'dashed' and 'double'

The following example sets top the border style to dotted, dashed and double.

<!DOCTYPE html>
<html lang="en">
<head>
    <Title>
        HTML DOM Style Object borderTopStyle Property
    </Title>
    <style>
        h1 {
            border: 2px solid black;
        }
    </style>
</head>
<body>
    <p>Click to change the border style.</p>
    <button onclick="dotted()">Dotted</button>
    <button onclick="dashed()">Dashed</button>
    <button onclick="double()">Double</button>
    <h1 id="border">Welcome to Tutorials Point...</h1>
    <script>
        function dotted() {
            document.getElementById("border")
                .style.borderTopStyle = "dotted";
        }
        function dashed() {
            document.getElementById("border")
                .style.borderTopStyle = "dashed";
        }
        function double() {
            document.getElementById("border")
                .style.borderTopStyle = "double";
        }
    </script>
</body>
</html>

Set Top Border Style to 'groove' and 'ridge'

The following example sets the top border style to groove and ridge.

<!DOCTYPE html>
<html lang="en">
<head>
    <Title>
        HTML DOM Style Object borderTopStyle Property
    </Title>
    <style>
        h1 {
            border: 2px solid aqua;
        }
    </style>
</head>
<body>
    <p>Click to change the border style.</p>
    <button onclick="groove()">Groove</button>
    <button onclick="ridge()">Ridge</button>
    <h1 id="border">Welcome to Tutorials Point...</h1>
    <script>
        function groove() {
            document.getElementById("border")
                .style.borderTopStyle = "groove";
        }
        function ridge() {
            document.getElementById("border")
                .style.borderTopStyle = "ridge";
        }
    </script>
</body>
</html>

Set Top Border Style to 'inset' and 'outset'

The following example sets the top border style to inset and outset.

<!DOCTYPE html>
<html lang="en">
<head>
    <Title>
        HTML DOM Style Object borderTopStyle Property
    </Title>
    <style>
        h1 {
            border: 2px solid aqua;
        }
    </style>
</head>
<body>
    <p>Click to change the border style.</p>
    <button onclick="inset()">Inset</button>
    <button onclick="outset()">Outset</button>
    <h1 id="border">Welcome to Tutorials Point...</h1>
    <script>
        function inset() {
            document.getElementById("border")
                .style.borderTopStyle = "inset";
        }
        function outset() {
            document.getElementById("border")
                .style.borderTopStyle = "outset";
        }
    </script>
</body>
</html>

Supported Browsers

Property
borderTopStyle	Yes 1	Yes 12	Yes 1	Yes 1	Yes 9.2

html_dom.htm

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