Angularjs forms and controls can provide validation and warn you about illegal data entered by users.
Note: client-side validation does not ensure that user input data is secure, so data validation on the server is also required.
1, HTML control
The following HTML INPUT element is called an HTML control: an INPUT element, a SELECT element, a button element, a TEXTAREA element.
2. HTML form
The Angularjs form is a collection of input controls. HTML forms typically exist at the same time as HTML controls.
<! DOCTYPE html>
3. Input verification
Angularjs forms and controls can provide validation and warn you about illegal data entered by users. Client-side validation does not ensure that user input data is secure, so data validation on the server is also required.
<! DOCTYPE html>
The ANGULARJS ng-model directive is used to bind input elements into the model. The model object has two properties: User and email. We use the Ng-show directive, color:red is displayed when the message is $dirty or $invalid.
No input validation of the initial value: Note ng-app= "", Ng-app have a value must be connected to the code module, using the Angular.module function to create the module.
<! DOCTYPE html>
4. ng-disabled Example
<!doctype html>
5. Ng-submit Example
6, maxlength and minlength examples
<! DOCTYPE html>
7. Ng-class Example
<! DOCTYPE html>
8. ng-if Example
<! DOCTYPE html>
The above is the entire content of this article, I hope to help you learn, but also hope that we support the cloud habitat community.
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