What does ng touch do?

The ngTouch module provides touch events and other helpers for touch-enabled devices. The implementation is based on jQuery Mobile touch event handling (jquerymobile.com).

What is dirty in form validation?

To prevent the validator from displaying errors before the user has a chance to edit the form, you should check for either the dirty or touched states in a control. When the user changes the value in the watched field, the control is marked as “dirty”.

How are validations implemented in AngularJS?

AngularJS performs form validation on the client-side. AngularJS monitors the state of the form and input fields (input, text-area, select), and notify the user about the current state. AngularJS also holds information about whether the input fields have been touched, modified, or not.

Is dirty in angular?

ng-dirty: The ng-dirty class tells that the form has been made dirty (modified ) by the user. It returns true if the user has modified the form. Return type: Return Boolean True if the form/input field is modified by the user else it returns False.

What does dirty mean in Angular?

5. 217. The ng-dirty class tells you that the form has been modified by the user, whereas the ng-pristine class tells you that the form has not been modified by the user.

What is a dirty input?

Dirty means it is touched already by the user. Invalid means when there is no valid input, i.e. a number instead of a letter.

Who is the father of AngularJS?

Miško Hevery
AngularJS was originally developed in 2009 by Miško Hevery at Brat Tech LLC as the software behind an online JSON storage service, that would have been priced by the megabyte, for easy-to-make applications for the enterprise.

What is directive in Angular?

Directives are classes that add additional behavior to elements in your Angular applications. Use Angular’s built-in directives to manage forms, lists, styles, and what users see. Attribute directives—directives that change the appearance or behavior of an element, component, or another directive.

What is markAsPristine?

markAsPristine() Marks the control as pristine. Angular documentation for form control’s validatior api— https://angular.io/api/forms/AbstractControl.

What does dirty mean in angular?

What is dirty checking in angular?

Dirty checking is a simple process that boils down to a very basic concept: It checks whether a value has changed that hasn’t yet been synchronized across the app. Our Angular app keeps track of the values of the current watches.

Where does Google use Angular?

How Google uses Angular. Angular is used in public-facing applications and sites such as Google Cloud Platform and AdWords, as well as many internal tools.

What’s the difference between ng-touched and Ng-pristine?

When I see in inspect element, it does show only ng-pristine class on each field, even if i went through both fields and leaves null. It shows ng-invalid too, which is fine. The term pristine and touched are not similar. An input will remain pristine as long as it has not been modified.

How does the ngtouch module work in AngularJS?

The ngTouchmodule provides helpers for touch-enabled devices. The implementation is based on jQuery Mobile touch event handling (jquerymobile.com). See $swipefor usage. Module Components Directive Name Description ngSwipeLeft Specify custom behavior when an element is swiped to the left on a touchscreen device.

Is it possible for ng touched to not work?

So it is possible for an input to be pristine and touched – just click it, and then click somewhere else without typing anything in. It is also possible for it to be dirty and untouched – click it, type in some text, but do not click anywhere else. To see that, and see working ng-touched in action, refer to this jsFiddle.

Which is the correct JSFiddle for ng touched?

To see that, and see working ng-touched in action, refer to this jsFiddle. To make sure it works, use Angular 1.3 as pointed out by @dfsq. Also, use angular-touch which matches your Angular version. The JSFiddle above works correctly.