Home > Web Front-end > JS Tutorial > body text

How to implement form validation function when AngularJS gets focus and loses focus

小云云
Release: 2018-01-22 10:01:56
Original
1844 people have browsed it

This article mainly introduces the form verification function implemented by AngularJS to obtain focus and lose focus. It involves AngularJS's use of ng-blur and ng-focus to monitor form event related operating techniques. Friends who need it can refer to it. I hope it can help. Everyone.

The example in this article describes the form validation function implemented by AngularJS to obtain focus and lose focus. Share it with everyone for your reference, the details are as follows:


<!DOCTYPE html>
<html ng-app="formExample">
<head>
  <meta charset="UTF-8">
  <title></title>
  <script src="../js/angular.js"></script>
  <script>
    angular.module(&#39;formExample&#39;, [])
        .controller(&#39;FormController&#39;, [&#39;$scope&#39;, function($scope)
        {
          $scope.userType = &#39;guest&#39;;
          $scope.change = false;
        }]);
  </script>
</head>
<body>
<form name="myForm" ng-controller="FormController">
  userType: <input name="input" ng-model="userType" ng-blur="change=true" ng-focus="change=false" required>
  <span class="error" ng-show="myForm.input.$error.required && change">必填项</span><br>
</form>
</body>
</html>
Copy after login

Running effect:

Related recommendations:

Perfect solution to the problem that input cannot get focus when BootStrap modal box and select2 are used together

blur() loses focus and focus() gets focus event in jquery

javascript - How to solve the problem of input getting focus and soft keyboard blocking input in Apple 5


The above is the detailed content of How to implement form validation function when AngularJS gets focus and loses focus. For more information, please follow other related articles on the PHP Chinese website!

Related labels:
source:php.cn
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Popular Tutorials
More>
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template