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AngularJS form validation directives

In AngularJS (specifically version 1.3), form validation is managed through built-in directives that bind to form controls to track user input and validity states.^[600-developer-frontend-angular-angular-01.md]

Common Validation Directives

Developers frequently utilize specific directives to enforce validation rules and manage the form's submission logic based on its validity state.

  • ng-disabled: This directive is often applied to submit buttons to prevent user interaction when the form data is invalid.^[600-developer-frontend-angular-angular-01.md]
  • required: This directive specifies that a form field must contain a value to be considered valid.^[600-developer-frontend-angular-angular-01.md]

Form Submission Handling

Handling user input typically involves binding a function to the form's submit event.^[600-developer-frontend-angular-angular-01.md] Common patterns include:

  • ng-submit: Binds a controller function (e.g., registor(user)) to the submit event.^[600-developer-frontend-angular-angular-01.md]
  • Data Binding: The submitted object (e.g., user) represents the data model bound to the scope via inputs in the form.^[600-developer-frontend-angular-angular-01.md]

Sources

^[600-developer-frontend-angular-angular-01.md]

  • [[AngularJS]]
  • [[Frontend development]]