Q1 . What is the use $touched in AngularJS?

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SOLUTION

It is a state of an input field.It shows that the field has been touched yet.

Q2 . What is the use $pristine in AngularJS?

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SOLUTION

It is a state of an input field.It shows that the field has not been altered or changed yet.

Q3 . What is the use $dirty in AngularJS?

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SOLUTION

It is a state of an input field.It shows that the field has not been altered or changed yet.

Q4 . What is the use $invalid in AngularJS?

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SOLUTION

It is a state of an input field.It shows that the field has the content that is invalid or not accepatable.

Q5 . What is the use $valid in AngularJS?

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SOLUTION

It is a state of an input field.It shows that the field has the content that is valid or accepatable.

Q6 . How to check if a model value is added only when an event occurs in AngularJS?

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SOLUTION

ng-model-options to see if the event occurs

The exact property is updateon:'the name of the event'.

Q7 . How to create a new directive in AngularJS?

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SOLUTION

We can make a new directive by using

app.directive("newDirective", function() {}

Q8 . How to name a directive in AngularJS?

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SOLUTION

The new directives are usually camel cased while naming

like newDirective

Q9 . How to invoke a new directive in AngularJS?

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SOLUTION

We can invoke the directive in a variety of ways like

Class

Attribute

Element name

Q10 . How to invoke a directive using element name in AngularJS?

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SOLUTION

We can invoke the directive using the element name by

<new-Directive></new-Directive>