javascript - AngularJS无法读取未定义的属性 'forEach'

Question

此代码导致开发者控制台出现错误:

$scope.AddCandidatesToCompannies = function()
{
    console.table($scope.candidates);
    Object.entries($scope.candidates).forEach(candidate =>
    {
        candidate.jobs.forEach(job =>
        {
            var company_id = job['company_id'];

            Object.entries($scope.companies).forEach(company =>
            {
                if (company['company_id'] == company_id)
                {
                    console.log('match'); 
                };
            });
        });
    });
};   // AddCandidatesToCompannies()

$scope.candidates 确实包含数据，并且它是目的;它非常复杂，所以我不会用它来混淆问题，但她是一个概述图片

语句 Object.entries($scope.candidates).forEach(candidate => 给出

angular.min.js:83 TypeError: Cannot read property 'forEach' of undefined
at mapController.js:138
at Array.forEach ()
at a.$scope.AddCandidatesToCompannies (mapController.js:136)
at $scope.ProcessSearchResults (mapController.js:161)
at C (angular.min.js:91)
at C (angular.min.js:91)
at angular.min.js:92
at h.$eval (angular.min.js:100)
at h.$digest (angular.min.js:98)
at h.$apply (angular.min.js:101)
at f (angular.min.js:66)
at K (angular.min.js:70)
at XMLHttpRequest.y.onreadystatechange (angular.min.js:71)

有人能看到我做错了什么吗？

Answer 1

Object.entries 返回一个数组中的数组，其中包含键、值对。 看起来你想要一个类似的功能 Object.values($scope.candidates)

示例:

Object.entries($scope.candidates) == [[45,{candidate_id:45}],[46,{candidate_id:46}]]
Object.values($scope.candidates) == [{candidate_id:45}, {candidate_id: 46}]