AngularJS 양방향 데이터 바인딩

var app = angular.module('ngApp', []);

app.controller('ngCtrl', function($scope) {
});

<!DOCTYPE html>
<html ng-app="ngApp">

  <head>
    <meta charset="utf-8" />
    <title>AngularJS Plunker</title>
    <script>document.write('<base href="' + document.location + '" />');</script>
    <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="ngCtrl">
    <input ng-model="text" />
    <p>{{ text }}</p>
  </body>

</html>

/* Put your css in here */

h1 {
  color: red;
}