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opVoiceStress style property | XvVoiceStress style property

Browser support:
Specifies or retrieves the strength of emphasis to be applied.
Same as the voice-stress property in the CSS3 declaration.
The opVoiceStress and XvVoiceStress properties are equivalent in Opera.


You can find the related objects in the Supported by objects section below.
XvVoiceStress: This property is read/write.
opVoiceStress: This property is read/write.
CSS page for this property: -op-voice-stress

Possible values:

The type of this property is string.
 One of the following values: 
Takes the value of this property from the computed style of the parent element.
Apply a moderate emphasis.
Inhibit the synthesizer from emphasizing words it would normally emphasize.
Effectively the opposite of emphasizing a word.
Apply a strong emphasis.
Default: moderate.

Example HTML code 1:

This example illustrates the use of the -xv-voice-stress property:
        .example {
            -xv-voice-stress: strong;
    <p class="example">Apply a strong emphasis.</p>
    Select the text in the document, right click and select speak
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Example HTML code 2:

This example illustrates the use of the XvVoiceStress property in JavaScript:
        #example {
            -xv-voice-stress: strong;
    <script type="text/javascript">
        function ChangeStress (selectTag) {
            var example = document.getElementById ("example");

            // Returns the index of the selected option
            var whichSelected = selectTag.selectedIndex;

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

            if ('XvVoiceStress' in {
       = selectState;
                // or opVoiceStress
            } else {
                alert ("Your browser doesn't support this example!");
    Normal voice
    <p class="example">Select the text in the document, right click and select speak</p>
    Normal voice
    <select onchange="ChangeStress (this);" size="3">
        <option selected="selected">strong</option>
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Supported by objects:

Related pages:

External links:

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