How to set mandatory field in Angular?
AngularJS ng-required Directive The ng-required directive sets the required attribute of a form field (input or textarea). The form field will be required if the expression inside the ng-required attribute returns true. The ng-required directive is necessary to be able to shift the value between true and false .
How do I make a text field compulsory in HTML?
The required attribute is a boolean attribute. When present, it specifies that an input field must be filled out before submitting the form. Note: The required attribute works with the following input types: text, search, url, tel, email, password, date pickers, number, checkbox, radio, and file.
How do I make HTML form fields mandatory?
Required attribute: If you want to make an input mandatory to be entered by the user, you can use the required attribute. This attribute can be used with any input type such as email, URL, text, file, password, checkbox, radio, etc. This can help to make any input field mandatory.
What is difference between touched and dirty in angular?
The difference between touched and dirty is that with touched the user doesnt need to actually change the value of the input control. touched is true of the field has been touched by the user, otherwise its false. The opposite of touched is the property untouched .
How to give required field validation in Angular?
To add validation to a template-driven form, you add the same validation attributes as you would with native HTML form validation. Angular uses directives to match these attributes with validator functions in the framework.
Which control is used to make an input control a compulsory field?
ASP.NET RequiredFieldValidator Control This validator is used to make an input control required. It will throw an error if user leaves input control empty. It is used to mandate form control required and restrict the user to provide data.
How do you make a form required field?
Summary: Using an asterisk to mark required fields is an easy way to improve the usability of your forms. Only marking optional fields makes it difficult for people to fill out the form.
Which control is used to make input field compulsory?
The required attribute is a boolean attribute. When present, it specifies that an input field must be filled out before submitting the form.
How to make input field mandatory in Angular?
AngularJS ng-required Directive The ng-required directive sets the required attribute of a form field (input or textarea). The form field will be required if the expression inside the ng-required attribute returns true. The ng-required directive is necessary to be able to shift the value between true and false .
How do I make input text field mandatory?
Required attribute: If you want to make an input mandatory to be entered by the user, you can use the required attribute. This attribute can be used with any input type such as email, URL, text, file, password, checkbox, radio, etc. This can help to make any input field mandatory.