How to set the input field value dynamically in AngularJS ?

Given an input field and the task is to set the input field value dynamically with the help of AngularJS.

Approach: 

• A value is being set to the input field despite the user enter something or not. 
• ng-click event is used to call a function that sets the value to 'This is GeeksForGeeks' with the help of ng-model.

Example 1: In this example, the input field is read-only So the user can not modify it and the value is set dynamically.

Output:

Example 2: In this example, user can modify the input field but the value entered by user can be set dynamically.

Output: