what_are_the_available_constraint_validation_dom_properties.md

What are the available constraint validation DOM properties

What are the available constraint validation DOM properties?

The following properties are available for constraint validation in the DOM:

• validity: An object that contains various validity states of the input element.
• valueMissing: Returns true if the input is required but empty.
• typeMismatch: Returns true if the input value doesn't match the expected type.
• tooLong: Returns true if the value is too long for the field.
• rangeUnderflow: Returns true if the value is less than the minimum value.

Example:

const input = document.querySelector('input');
console.log(input.validity.rangeUnderflow); // true or false

Tags: intermediate, JavaScript, DOM, validation

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