运行 ❯
获取您
自己的
网站
×
更改方向
保存代码
更改主题，暗/亮
转到 Spaces
<!DOCTYPE html> <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>
