Question

我试图使用angularjs与对象数组进行比较。我尝试过使用angular.equals而没有运气。我甚至将它们分配给变量进行比较（最初它们不是），但它仍然没有检测到它们。我想看看数组是否匹配。如果他们这样做 - 在{{equals}}

中提醒和/或反映真实

<!DOCTYPE html>
<html ng-app>

<head>
    <script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.13/angular.js"></script>
    <script type='text/javascript'>
        function MyCtrl($scope) {

            $scope.thePath = {};
            $scope.thePath2 = {};


            $scope.clickme = function(val) {
                if (val in $scope.thePath) {
                    alert("already present");
                    console.log($scope.thePath);
                    return
                }

                $scope.thePath[val] = 1;



            }

            $scope.clickme2 = function(val) {
                if (val in $scope.thePath2) {
                    alert("already present");
                    console.log($scope.thePath2);
                    return
                }

                $scope.thePath2[val] = 1;



            }
            var obj1 = $scope.thePath;
            var obj2 = $scope.thePath2;
            //$scope.thepath vs $scope.thepath2
            $scope.thePath = obj1;
            $scope.thePath2 = obj2;
            $scope.equals = angular.equals(obj1, obj2);

            $scope.doubleCheck = function() {
                alert(obj1, obj2);

            }
        }

    </script>
</head>

<body>
    <div ng-app ng-controller="MyCtrl">
        <p>Section A</p>
        <button id="uno" ng-click="clickme('Step A')">Path A</button><br>
        <button id="dos" ng-click="clickme('Step B')">Path B</button><br>
        <button is="cuatro" ng-click="clickme('Step C')">Path C</button><br>
        <button id="cinco" ng-click="clickme('Step D')">Path D</button><br>
        <button id="sieta" ng-click="clickme('Step E')">Path E</button> {{thePath}}


        <p>Section B</p>
        <button id="uno" ng-click="clickme2('Step A')">Path A</button><br>
        <button id="dos" ng-click="clickme2('Step B')">Path B</button><br>
        <button is="cuatro" ng-click="clickme2('Step C')">Path C</button><br>
        <button id="cinco" ng-click="clickme2('Step D')">Path D</button><br>
        <button id="sieta" ng-click="clickme2('Step E')">Path E</button> {{thePath2}}
    </div>
    <br><br>
    <p>Do these match?</p><button ng-click="doubleCheck()">Check</button> {{equals}}
</body>

</html>

Answer 1

angular.equals()不会比较对象中键的顺序。你能做的是JSON.stringify(obj1) === JSON.stringify(obj2)

使用angularjs比较两个对象数组是不行的

1 个答案: