Javascript validating dates from a form

26-Apr-2019 15:24

:[a-z A-Z\u00a1-\uffff0-9]-*)*[a-z A-Z\u00a1-\uffff0-9] )*)(?

In the next article in this series, I'll show you how to use the native Constraint Validation API to bolt-in our desired UX with some lightweight Java Script.

Most Java Script form validation libraries are large, and often require other libraries like j Query.

For example, Mail Chimp's embeddable form includes a 140kb validation file (minified).

Add the attribute let's you run regex validations against input values.

javascript validating dates from a form-22

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Bonus CSS tip: style invalid selectors only when they aren't currently being edited with . :[a-z A-Z\u00a1-\uffff0-9]-*)*[a-z A-Z\u00a1-\uffff0-9] )(? You can style fields that have errors on them with the pseudo-selector, but you can't style the error messages themselves. Chrome doesn't display any errors until you try to submit the form.

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