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Results for “assert”

Small, practical examples. Search by task or narrow things down below.

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HTMLText semantics

Mark a short quotation within a sentence

HTML: The q element identifies an inline quotation and allows native quotation marks.

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HTMLGetting Started

Mark emphasis and importance

HTML: Learn how to mark emphasis and importance in a complete browser example.

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HTMLMetadata & document links

Mark the language of a phrase inside a page

HTML: An element-level lang attribute identifies a language change within the document.

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HTMLLinks & accessibility

Mark up a machine-readable date

Pair a readable date with an ISO datetime attribute in HTML.

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HTMLAccessible structure

Move focus to a heading without adding a tab stop

HTML: A negative tabindex permits programmatic focus while keeping the heading out of ordinary sequential tab navigation.

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HTMLImages & embedded documents

Name a meaningful image with alternative text

HTML: Alt supplies an accessible text alternative describing the image’s purpose.

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HTMLImages & embedded documents

Name a self-contained embedded document

HTML: Give an iframe a descriptive title and provide its small document with srcdoc.

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HTMLLinks & accessibility

Name an icon button

Give a button containing only a symbol an accessible name.

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HTMLAccessible structure

Name complementary content

HTML: Aside identifies supporting content related to the main document.

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HTMLMetadata & document links

Offer a downloadable text file

HTML: The download attribute supplies a filename for this same-document data URL.

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HTMLForms

Offer a selection list

Provide a labeled HTML select with a default option.

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HTMLText semantics

Offer an optional break inside a long label

HTML: Wbr supplies a potential line-break opportunity without inserting a visible hyphen.

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