Question

我正在使用jQuery练习AngularJS和JavaScript。我正在尝试我的技能，我将自己的旋转添加到关于土星测验的教程中，将其更改为填空的样式测验。

我能够得到第一个答案，以确认它是对还是错，但即使答案是正确的，下一个问题总是返回错误。通过使用console.log，我发现AngularJS无法识别改变的输入值。

我甚至尝试使用onblur事件清除值，但它不起作用，并且在单击“检查答案”按钮时仍保留以前的值。我感谢您的帮助和指导，我一直在寻求改进我的编码方式！

修改： Here's a link to the Plunkr for a live demo

HTML

<div id="myQuiz" ng-controller="QuizController">
    <h1>Test Your Knowledge:<span>Saturn</span></h1>
    <div class="progress">  
        <div class="{{ ($index === activeQuestion) ? 'on' : 'off' }} 
            {{ (myQuestion.questionState === 'answered') ? 'answered' : 'unanswered' }}
            {{ (myQuestion.correctness === 'correct') ? 'correct' : 'incorrect' }}" 
            ng-repeat="myQuestion in myQuestions">
        </div>
    </div>

    <div class="intro {{ (activeQuestion > -1) ? 'inactive' : 'active' }}"> 
        <h2>Welcome</h2>
        <p>Click to begin to test your knowledge of Saturn.</p>
        <p class="btn" ng-click="activeQuestion = 0">Begin</p>
    </div>

    <div class="question
        {{ $index === activeQuestion ? 'active' : 'inactive' }}
        {{ myQuestion.questionState === 'answered' ? 'answered' : 'unanswered' }}" 
        ng-repeat="myQuestion in myQuestions">
        <p class="txt"> {{ myQuestion.instructions }} </p>
        <div class="txt" ng-bind-html="myQuestion.question | trustAsHtml">
        </div>  

        <p class="ans" 
            ng-class="{  
                correct:isCorrect($index, $index)}"
            ng-click="checkAnswer($index, $index)">Check Answer 
        </p>

        <div class="feedback">
            <p ng-show="myQuestion.correctness === 'correct'"><strong>Correct</strong>.</p>
            <p ng-show="myQuestion.correctness === 'incorrect'">Oops! That is not correct.</p>
            <p> {{ myQuestion.feedback }} </p>
            <div class="btn" ng-click="selectContinue()">Continue</div>
        </div>
</div>

App.js

myApp.controller('QuizController', ['$scope', '$http', "$sce", function($scope, $http, $sce){
    $scope.score = 0;
    $scope.activeQuestion = -1;
    $scope.activeQuestionAnswered = 0;
    $scope.percentage = 0;

    $http.get('quiz_data.json').then(function(quizData){
        $scope.myQuestions = quizData.data;
        $scope.totalQuestions = $scope.myQuestions.length;
});

$scope.checkAnswer = function(qIndex,aIndex){
    var questionState = $scope.myQuestions[qIndex].questionState;

        if(questionState != 'answered') {
            var userAnswer = $(".fillin").val();

            var correctAnswer = $scope.myQuestions[qIndex].questionAnswer;

            $scope.myQuestions[qIndex].questionAnswer = correctAnswer;

                    if(userAnswer === correctAnswer){
                        $scope.myQuestions[qIndex].correctness = 'correct';
                        $scope.score += 1;
                        console.log('Correct!' + $scope.score);
                    }
                    else{
                        $scope.myQuestions[qIndex].correctness = 'incorrect';
                        console.log('Wrong!');
                        console.log(correctAnswer); 
                        console.log(userAnswer); //logs previous input submitted
                        console.log( $(".fillin").val() ); //logs previous input submitted even though the value has changed
                    }
                $scope.myQuestions[qIndex].questionState = 'answered';

        }else{
            console.log('Something is wrong');
        }

}

$scope.selectContinue = function(){
    return $scope.activeQuestion += 1;
}

$scope.clearValues = function(){
    $(".fillin").focus(function(){
            $(this).val('');
            console.log('fillin value is ' + userAnswer)
    });
}

data.json

[
    {
        "questionId": 0,
        "question" : "Saturn is <input id='guess-input' class='fillin' ng-blur='clearValues()' type='text' name='\"six\"'> many planets from the sun?",
        "questionAnswer" : "six"
    },
    {
        "questionId": 1,
        "question" : "Around Saturn are <input id='guess-input' class='fillin' ng-blur='clearValues()' type='text' name='\"rings\"'>",
        "questionAnswer" : "rings"
    }
]

AngularJS无法识别更新的输入值

0 个答案: