Results for “assert”
Small, practical examples. Search by task or narrow things down below.
Dismiss a modal with the Escape key
HTML: Native modal dialogs provide keyboard dismissal and return focus to their invoker.
HTML✓ Tested
Display a calculated form result
HTML: An output element can name the input controls contributing to its value.
HTML✓ Tested
Display a short code sample
HTML: Learn how to display a short code sample in a complete browser example.
HTML✓ Tested
Display code as text
Escape angle brackets in preformatted HTML code samples.
HTML✓ Tested
Display reserved characters as text
HTML: Learn how to display reserved characters as text in a complete browser example.
HTML✓ Tested
Draw a basic rectangle on a labeled canvas
HTML: Canvas requires script to draw pixels; provide alternative content and an accessible label.
HTML✓ Tested
Exclude a purely decorative image from accessible content
HTML: An empty alt indicates that this image adds no information beyond nearby content.
HTML✓ Tested
Expand an abbreviation with explanatory text
HTML: The title attribute supplies the full form while nearby text remains useful without hovering.
HTML✓ Tested
Expose a disclosure button’s expanded state
HTML: Keep aria-expanded synchronized with the controlled panel’s hidden state.
HTML✓ Tested
Give a date a machine-readable value
HTML: Learn how to give a date a machine-readable value in a complete browser example.
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Give a document a descriptive browser title
HTML: The title element supplies the browser document title independently of the visible heading.
HTML✓ Tested
Give a section an accessible region name
HTML: A section becomes a named landmark when its heading is referenced with aria-labelledby.
HTML✓ Tested