Selectors Level 4 CR Test Suite
The Input Pseudo-classes (1 tests)
Test
Refs
Flags
Info
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11 The Input Pseudo-classes
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11.1 Input Control States
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11.1.1 The :enabled and :disabled pseudo-classes
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11.1.2 The mutability pseudo-classes :read-only and :read-write
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11.1.3 The placeholder-shown pseudo-class :placeholder-shown
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11.1.4 The default-option pseudo-class :default
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11.2 Input Value States
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11.2.1 The selected-option pseudo-class :checked
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11.2.2 The indeterminate-value pseudo-class :indeterminate
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11.3 Input Value-checking
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11.3.1 The validity pseudo-classes: :valid and :invalid
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11.3.2 The range pseudo-classes :in-range and :out-of-range
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11.3.3 The optionality pseudo-classes :required and :optional
selector-required
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CSS level4 Selector :required and :optional
You should see a green input box.
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11.3.4 The user-interaction pseudo-class :user-error