var app = angular.module('MainApp', []);
app.controller('MainCtrl', function($scope) {
$scope.name = 'AngularJS';
});
<!DOCTYPE html>
<html ng-app="MainApp">
<head>
<meta charset="utf-8" />
<title>2.双方向データバインディング</title>
<link rel="stylesheet" href="style.css" />
<script data-require="angular.js@1.4.x" src="https://code.angularjs.org/1.4.8/angular.js" data-semver="1.4.8"></script>
<script src="app.js"></script>
</head>
<body ng-controller="MainCtrl">
<input type="text" ng-model="name">
<div ng-bind="name"></div>
</body>
</html>
/* Put your css in here */