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.
$untouchedThe field has not been touched yet$touchedThe field has been touched$pristineThe field has not been modified yet$dirtyThe field has been modified$invalidThe field content is not valid$validThe 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-untouchedThe field has not been touched yetng-touchedThe field has been touchedng-pristineThe field has not been modified yetng-dirtyThe field has been modifiedng-validThe field content is validng-invalidThe field content is not validng-valid-keyOne key for each validation. Example:ng-valid-required, useful when there are more than one thing that must be validatedng-invalid-keyExample: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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