Methods
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setCustomValidity( message )
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Description
Sets a custom validity message for the element.
Parameters
Name Type Description message
string Details
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checkValidity() → {boolean}
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Description
Returns true if the element's child controls are subject to constraint validation and satisfy those contraints; returns false if some controls do not satisfy their constraints. Fires an event named invalid at any control that does not satisfy its constraints; such controls are considered invalid if the event is not canceled. It is up to the programmer to decide how to respond to false.
Returns
Details
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sleep( ms ) → {Promise}
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Description
Wacht.
Parameters
Name Type Description ms
Number aantal milliseconden dat er gewacht moeten worden
Returns
Details