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<html><script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.6.9/angular.min.js"></script><body ng-app=""><form name="myForm"><p>An error will be displayed when you type anything less than five characters in the input field:</p><input name="myInput" ng-model="myInput" ng-minlength="5"><h1 ng-if="!myForm.myInput.$valid">The value is too short</h1></form><p>In this example, we will display an error if the field contains less than five characters.</p><p><b>Note:</b> If the field is empty, it is considered valid.</p></body></html>