html的angular获取本地时间和3秒后换另一个名字

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<!DOCTYPE html><html lang="en"><head>    <meta charset="UTF-8">    <title>Title</title>    <script type="text/javascript" src="angular.js"></script>    <script>        var app = angular.module("myApp",[]);        app.controller("myCtrl",function ($scope,$interval) {            $scope.date = new Date().toLocaleTimeString();            $interval(function () {                $scope.date = new Date().toLocaleTimeString();            },1000,5);        });    </script></head>    <body ng-app="myApp" ng-controller="myCtrl">    <p>当前时间为：{{date}}</p>    </body></html>

---------------------------------------------------另一个

<!DOCTYPE html><html lang="en"><head>    <meta charset="UTF-8">    <title>Title</title>    <script type="text/javascript" src="angular.js"></script>    <script>        var app = angular.module("myApp",[]);        app.controller("myCtrl",function ($scope, $timeout) {            $scope.name = "张三";            $timeout(function () {                $scope.name = "李四";            },3000);        })    </script></head><body ng-app="myApp" ng-controller="myCtrl">    <p>3s之后便秘：{{name}}</p></body></html>

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