Custom Validation

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Day Component

Let's cover the custom validation for Day component When the editor opens, navigate to tab Validation and scroll down to open the section named Custom Validation. Inside the Javascript section you need to write

var val = moment(input, 'MM/DD/YYYY');
valid = true;
if (!val.isValid() || val.format('YYYY') === '0000') {
  valid = 'Please, enter the valid date';
}

This way we validate if user enter incorrect Day for example e2, -2, +2 or leaves Year box empty