angular+一个输入框,往框里输入内容,在下方打印出来

html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Titletitle>
    <script src="angular/angular.js">script>
    <script>
        var myapp=angular.module("myapp",[]);
        myapp.controller("myCtrl",function ($scope) {
            $scope.items=[];
            $scope.fun=function (event) {
                console.log(event);
                if(event.keyCode==13){
                    $scope.items.unshift($scope.course);//push从下面加unshift从上面加
                    $scope.course="";
                }
            }
        })
    script>
head>
<body ng-app="myapp" ng-controller="myCtrl"ng-keyup="fun($event)">
<input type="text" ng-model="course">
<ul>
    <li ng-repeat="item in items">{{item}}li>
ul>

body>
html>

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