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It has few lightning-input-field inside along with two buttons. The one of them will be used to demonstrate the capabilities of input field validation before submit event occurs.
How to validate fields in Lightning aura components?
Client-side field validation provides an initial check for user data before submitting it to the server. Implement your own server-side validation to ensure that user data is saved in the expected format. Consider the following guidelines.
How to implement custom validation in Salesforce Lightning input?
The error message are defined based on the pattern mismatch, required, max length, min length, etc. attributes. The custom error message for the mentioned attributes can be defined in the corresponding messageWhenPatternMismatch, messageWhenTypeMismatch, messageWhenValueMissing, etc error message attributes.
What are some examples of validating fields in Lightning?
For example, the email type on lightning:input expects an email address and the number type expects a number. A lightning:input field that specifies a certain criteria or attribute, max , min, pattern, and so on, is invalid if the criteria isn’t met.
What do you need to know about lightning input in HTML?
A lightning-input component creates an HTML element. This component supports HTML5 input types, including checkbox, date, datetime, time, email, file, password, search, tel, url, number, and toggle. The default is text. The label attribute is required. If you don’t want to display a label, specify the variant=”label-hidden” attribute.
What does Lightning input type mean in Salesforce?
Checkboxes let you select one or more options. lightning-input type=”checkbox” is useful for creating single checkboxes. If you are working with a group of checkboxes, use lightning-checkbox-group instead.
Why does the Lightning component accept a value of 13?
The component accepts a month value of 13 to accommodate conditions that sometimes require a 13th month in a year. For most locales, if you enter 13 for the month, the component converts the date to the first month of the following year during the blur event.