Cordova学习笔记 $scope的$watch及$timeout的使用示例

发布时间：2020-06-30 05:18:25 阅读：584 作者：hello_world007 栏目：开发技术

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<!doctype html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>test</title>
    <script src="js/angular.js"></script>
    <script type="application/javascript">
        (function(angular) {
            'use strict';
            angular.module('myApp', [])
                    .controller('firstController', function firstController($scope,$timeout) {
                        $scope.firstNum = 1;
                        $scope.secondNum = 1;
                        $scope.doMySum = function(){
                                var fn = angular.isNumber($scope.firstNum)?$scope.firstNum:0;
                                var sn = angular.isNumber($scope.secondNum)?$scope.secondNum:0;
                                return fn+sn;
                            }
                        $timeout(function(){
                            $scope.firstNum = 10;
                        },2000);

                        $scope.$watch('doMySum()',function(newValue, oldValue){
                            if(newValue == 100){
                                alert('ok');
                            }
                        });
                    });
        })(window.angular);
    </script>
</head>
<body >
<div ng-app="myApp">
   <div ng-controller="firstController">
        <input type="number" name="firstNum" ng-model="firstNum" required/>
       +<input type="number" name="secondNum" ng-model="secondNum" required/>
       ={{doMySum()}}
   </div>
</div>
</body>
</html>

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Cordova学习笔记 $scope的$watch及$timeout的使用示例

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