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borderTop style property

Browser support:

Specifies or returns the color, style and width properties for the element's top border, in a shorthand form.

Available border styles:

border-top-style: dotted

border-top-style: dashed

border-top-style: solid

border-top-style: double

border-top-style: inset

border-top-style: outset

border-top-style: groove

border-top-style: ridge

border-top-style: window-inset

Syntax:

object.borderTop;

You can find the related objects in the Supported by objects section below.

This property is read/write.

CSS page for this property: border-top

Possible values:

The type of this property is string.

One of the following values:

•

Any of the following values (use the space character to separate them, each value can be used only once):

•	<border-top-color>
•	<border-top-style>
•	<border-top-width>

•

inherit

Description of values:

border-top-color

Specifies or returns the color of the element's top border.

border-top-style

Specifies or returns the style of the element's top border.

border-top-width

Specifies or returns the width of the element's top border.

inherit

Takes the value of this property from the computed style of the parent element.

Default: this property has no default value.

Example HTML code 1:

This example illustrates the use of the border-top property:

<head>
    <style>
        .example {
            border-top: 1px solid blue;
        }
    </style>
</head>
<body>
    <div class="example">Border-top: 1px solid blue</div>
</body>

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Example HTML code 2:

This example illustrates the use of the borderTop property in JavaScript:

<head>
    <script type="text/javascript">
        function ChangeBorder () {
            var selectTags = document.getElementsByTagName ("select");
            var selectState = [];
            
            for (i = 0; i < selectTags.length; i++) {
                // Returns the index of the selected option
                whichSelected = selectTags[i].selectedIndex;

                // Returns the text of the selected option
                selectState[i] = selectTags[i].options[whichSelected].text;
            }

            var div = document.getElementById ("myDiv");
            div.style.borderTop = selectState[0] + " " + selectState[1] + " " + selectState[2];
        }
    </script>
</head>
<body>
    <div id="myDiv" style="border-top: 1px solid blue">Sample division with border-top</div>

    <select onchange="ChangeBorder ();" size="5">
        <option selected="selected" />1px
        <option />3px
        <option />8px
        <option />15px
        <option />24px
    </select>
    <select onchange="ChangeBorder ();" size="14">
        <option />dotted
        <option />dashed
        <option />double
        <option />groove
        <option />inset
        <option />none
        <option />outset
        <option />ridge
        <option selected="selected" />solid
        <option />window-inset
    </select>
    <select onchange="ChangeBorder ();" size="8">
        <option selected="selected" />blue
        <option />red
        <option />cyan
        <option />white
        <option />green
        <option />yellow
        <option />purple
        <option />black
    </select>
</body>