Interview Questions

1. What are the required components to work with angular form validations ?

Options:

a. form tags, input controls without ng-model attr.

b. no form tags, input controls with ng-model attr.

c. custom directives.

d. form tags with name attribute, input controls with ng-model attr

Reveal Answer

2. How can you override the model update options ?

Options:

a. using custom directives.

b. using custom validations.

c. using ng-model-options.

d. Cannot override using angular 1.

Reveal Answer

3. Which of the model-option is to be used to wait for updating model?

Options:

a. blur

b. debounce

c. timezone

d. gettersetter

Reveal Answer

4. Which of the following angular form property returns true when input field is blurred / focussed ?

Options:

a. ng-blur

b. $untouched

c. $touched

d. $dirty

Reveal Answer

5. Which of the following property returns true if form is invalid ?

Options:

a. ng-invalid

b. ng-valid

c. ng-dirty

d. ng-pristine

Reveal Answer

6. How can you clear a form after submitting or reset the form for next use?

Options:

a. form.$setPristine()

b. form.$setUntouched()

c. form.$setDirty()

Reveal Answer

Interview Questions and Answer

1. What are the required components to work with angular form validations ?

2. How can you override the model update options ?

3. Which of the model-option is to be used to wait for updating model?

4. Which of the following angular form property returns true when input field is blurred / focussed ?

5. Which of the following property returns true if form is invalid ?

6. How can you clear a form after submitting or reset the form for next use?

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