Angular JS Form Validation:-
1) Form Validation :-
2) Angular js Form Validation :-
Angular JS Support HTML 5 Validation and it is used to manage State of Validation error according to events.
It contain predefined variable to handle validation process.
1) Form Validation :-
2) Angular js Form Validation :-
Angular JS Support HTML 5 Validation and it is used to manage State of Validation error according to events.
It contain predefined variable to handle validation process.
$untouched
The field has not been touched yet$touched
The field has been touched$pristine
The field has not been modified yet$dirty
The field has been modified$invalid
The field content is not valid$valid
The field content is valid
Example of Angular Js Form validation using Name and Emailid Id Field
<!DOCTYPE html>
<html>
<head>
<title></title>
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.6.9/angular.min.js"> </script>
</head>
<body>
<div ng-app="">
<form name="frm">
<input type="text" name="n" ng-model="n" required>
<span ng-show="frm.n.$touched && frm.n.$invalid"> Enter fullname</span>
<br><br>
<input type="email" name="e" ng-model="e">
<br><br>
<span ng-show="frm.e.$touched && frm.e.$invalid"> Enter valid emailid</span>
</form>
</div>
</body>
</html>
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Angular JS directive elements of validation is used to provide style and color using css tag.
we can override these attribute to modify color and style.
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Example of ng-valid,ng-invalid:-
<!DOCTYPE html>
<html>
<head>
<title></title>
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.6.9/angular.min.js"> </script>
<style type="text/css">
input.ng-invalid
{
background-color: cyan;
}
input.ng-valid
{
background-color: yellow;
}
</style>
</head>
<body>
<div ng-app="">
<form name="frm">
<input type="text" name="n" ng-model="n" required="">
</form>
</div>
</body>
</html>
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Angular JS directive elements of validation is used to provide style and color using css tag.
we can override these attribute to modify color and style.
The following classes are added to, or removed from, input fields:
ng-untouched
The field has not been touched yetng-touched
The field has been touchedng-pristine
The field has not been modified yetng-dirty
The field has been modifiedng-valid
The field content is validng-invalid
The field content is not validng-valid-key
One key for each validation. Example:ng-valid-required
, useful when there are more than one thing that must be validatedng-invalid-key
Example:ng-invalid-required
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Example of ng-valid,ng-invalid:-
<!DOCTYPE html>
<html>
<head>
<title></title>
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.6.9/angular.min.js"> </script>
<style type="text/css">
input.ng-invalid
{
background-color: cyan;
}
input.ng-valid
{
background-color: yellow;
}
</style>
</head>
<body>
<div ng-app="">
<form name="frm">
<input type="text" name="n" ng-model="n" required="">
</form>
</div>
</body>
</html>
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