diff --git a/third_party/aria-practices/src/content/patterns/slider/examples/slider-temperature.html b/third_party/aria-practices/src/content/patterns/slider/examples/slider-temperature.html index 704f59215d98c..462a45c0f0598 100644 --- a/third_party/aria-practices/src/content/patterns/slider/examples/slider-temperature.html +++ b/third_party/aria-practices/src/content/patterns/slider/examples/slider-temperature.html @@ -2,61 +2,13 @@ - Vertical Temperature Slider Example - - - - - - - - - -
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Vertical Temperature Slider Example

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About This Example

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Warning!

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- Some users of touch-based assistive technologies may experience difficulty utilizing widgets that implement this slider pattern because the gestures their assistive technology provides for operating sliders may not yet generate the necessary output. - To change the slider value, touch-based assistive technologies need to respond to user gestures for increasing and decreasing the value by synthesizing key events. - This is a new convention that may not be fully implemented by some assistive technologies. - Authors should fully test slider widgets using assistive technologies on devices where touch is a primary input mechanism before considering incorporation into production systems. -

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- The following example is a vertically oriented temperature control that implements the Slider Pattern. - The slider illustrates use of aria-orientation to specify vertical orientation and use of aria-valuetext to convey unit of measure for numeric values to assistive technology users by appending degrees Celsius to the current value. -

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Similar examples include:

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Example

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Temperature
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Accessibility Features

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Keyboard Support

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KeyFunction
- Right Arrow - Increases slider value one step.
- Up Arrow - Increases slider value one step.
- Left Arrow - Decreases slider value one step.
- Down Arrow - Decreases slider value one step.
- Page Up - - Increases temperature slider value multiple steps. - In this slider, jumps twenty steps (e.g. 2°C). -
- Page Down - - Decreases temperature slider value multiple steps. - In this slider, jumps twenty steps (e.g. 2°C). -
- Home - Sets slider to its minimum value.
- End - Sets slider to its maximum value.
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Role, Property, State, and Tabindex Attributes

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RoleAttributeElementUsage
- none - - svg - ensures assistive technologies do not present the SVG element as an image or any other type of meaningful element.
- slider - - g - -
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  • Identifies the element as a slider.
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  • Set on the g element that represents the movable thumb because it is the operable element that receives focus and conveys the value.
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- tabindex="0" - - g - Includes the slider thumb in the page tab sequence.
- aria-orientation - - g - Indicates the slider is vertically oriented.
- aria-valuemax="NUMBER" - - g - Specifies the numeric value that is the maximum allowed value of the slider.
- aria-valuemin="NUMBER" - - g - Specifies the numeric value that is the minimum allowed value of the slider.
- aria-valuenow="NUMBER" - - g - A numeric value that is the current value of the slider.
- aria-valuetext="STRING" - - g - Provides a more user-friendly name for the current value of the slider by combining the current value with the string degrees Celsius.
- aria-labelledby="IDREF" - - g - Refers to the element containing the name (e.g. label) of the slider.
- aria-hidden="true" - - rect - Removes the SVG rect element from the accessibility tree to prevent screen readers from presenting it as a meaningful image.
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Assistive Technology Support

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Learn how to interpret and use assistive technology support data

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JavaScript and CSS Source Code

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HTML Source Code

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To copy the following HTML code, please open it in CodePen.

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