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fontSizeAdjust style property

Browser support:

Specifies or returns font aspect value (font size divided by x-height).

The fontSizeAdjust property is useful if you want to set the size of lowercase letters. It specifies the factor by which the font size is multiplied.

Syntax:

object.fontSizeAdjust;

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

This property is read/write.

CSS page for this property: font-size-adjust

Possible values:

The type of this property is string.

One of the following values:

aspect value (floating-point)

Floating-point number, the font aspect value.

inherit

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

none

Font aspect value is not changed.

Default: none.

Example HTML code 1:

This example illustrates the use of the font-size-adjust property:

<head>
    <style>
        .adjust63 {
            font-size-adjust: 0.63;
        }
        .adjust126 {
            font-size-adjust: 1.26;
        }
    </style>
</head>
<body>
    <span class="adjust63">font-size-adjust: 0.63</span><br />
    <span class="adjust126">font-size-adjust: 1.26</span>
</body>

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Example HTML code 2:

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

<head>
    <script type="text/javascript">
        function ChangeFont (selectTag) {            
            // Returns the index of the selected option
            var whichSelected = selectTag.selectedIndex;

            // Returns the selected options values
            var selectState = selectTag.options[whichSelected].text;

            var fontTest = document.getElementById ("fontTest");

            if ('fontSizeAdjust' in fontTest.style) {
                fontTest.style.fontSizeAdjust = selectState;
            } else {
                alert ("Your browser doesn't support this example!");
            }
        }
    </script>
</head>
<body>
    <span id="fontTest" style="font-size-adjust: 0.63">Change font-size-adjust</span>

    <br />
    <select onchange="ChangeFont (this);" size="9">
        <option />0.1
        <option />0.21
        <option />0.32
        <option />0.51
        <option selected="selected" />0.63
        <option />0.8
        <option />1.12
        <option />2.5
        <option />4.8
    </select>
</body>