Angular form validation

In this video and in the next few videos we will discuss Form Validation in Angular with examples. Along the way we will discuss validating textboxes, check boxes, radio buttons, dropdownlists etc. We will also discuss, how to fix one of the common error that we get when exporting NgModel into a local variable. The error that we get is, cannot assign to a reference or variable. We will discuss what causes this error and how to fix it.

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To understand validation in Angular, we need to understand the following 6 Angular validation properties.
1. touched
2. untouched
3. pristine
4. dirty
5. valid
6. invalid

These 6 properties are available at each individual form control level and also at the form level.

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