math/index.html at master · khlam/math · GitHub

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<html>
    <meta charset="utf-8">
    <link rel="stylesheet" href="./css/simple-grid.min.css">
    <link rel="stylesheet" href="./css/style.css">


    <!-- Global site tag (gtag.js) - Google Analytics -->
    <script async src="https://www.googletagmanager.com/gtag/js?id=UA-152594682-1"></script>
    <script>
    window.dataLayer = window.dataLayer || [];
    function gtag(){dataLayer.push(arguments);}
    gtag('js', new Date());

    gtag('config', 'UA-152594682-1');
    </script>

    <script src="./js/jquery-git.js"></script>

    <script src="./js/os.js"></script>
    <script src="./js/param.js"></script>
    <script src="./js/rng.js"></script>

    <script src="./js/QA.js"></script> <!--Different displays depending on the problem-->


    <!--Generates problems-->
    <script src="./js/division.js"></script>
    <script src="./js/addition.js"></script>
    <script src="./js/subtraction.js"></script>
    <script src="./js/multiplication.js"></script>

    <body>
        <div class="row">
            <div class= "col-10">
                <h2><a href="https://khlam.github.io/" style="text-decoration:none">khlam.github.io</a>/math</h2>
                <h4 name="title-banner">Simple math practice generator.</h4>
                <p name="title-banner">Practice your maths. Solve addition, subtraction, division and multiplication problems. Refresh to reset.</p>
            </div>
        </div>

        <div id="params">
            <div class="row">
                <div class= "col-1"></div>
                <div class= "col-10">
                    <table>
                        <tr>
                            <td>
                                <input type="checkbox" id="add" onClick="params.init = initGenProblems()">Addition</input>
                            </td>
                        </tr>
                        <tr>
                            <td>
                                <input type="checkbox" id="sub" onClick="params.init = initGenProblems()">Subtraction</input>
                            </td>
                        </tr>
                        <tr>
                            <td>
                                <input type="checkbox" id="mul" onClick="params.init = initGenProblems()">Multiplication</input>
                            </td>
                        </tr>
                        <tr>
                            <td>
                                <input type="checkbox" id="div" onClick="params.init = initGenProblems()">Division</input>
                            </td>
                        </tr>
                    </table>
                </div>
            </div>

            <div class="row">
                <div class= "col-1"></div>
                <div class= "col-10">
                    <button id="startButton" onClick="_generateProblem(params)" style="display: none">Start!</button>
                </div>
            </div>

            <div id="addition" class="row" style="display: none">
                <div class= "col-1"></div>
                <div class= "col-8">
                    <h3>Addition ranges from
                        <input type="number" id="addition_LOWER" value=1></input>
                        to
                        <input type="number" id="addition_UPPER" value=144></input>
                    </h3>
                </div>
            </div>

            <div id="subtraction" class="row" style="display: none">
                <div class= "col-1"></div>
                <div class= "col-8">
                    <h3>Subtraction ranges from
                        <input type="number" id="subtraction_LOWER" value=1></input>
                        to
                        <input type="number" id="subtraction_UPPER" value=144></input>
                    </h3>
                </div>
            </div>

            <div id="multiplication" class="row" style="display: none">
                <div class= "col-1"></div>
                <div class= "col-8">
                    <h3>Multiplication ranges from
                        <input type="number" id="multiplication_LOWER" value=1></input>
                        to
                        <input type="number" id="multiplication_UPPER" value=144></input>
                    </h3>
                </div>
            </div>

            <div id="division" class="row" style="display: none">
                <div class= "col-1"></div>
                <div class= "col-8">
                    <h3>Dividend ranges from
                        <input type="number" id="divisionDividend_LOWER" value=1></input>
                        to
                        <input type="number" id="divisionDividend_UPPER" value=144></input>
                    </h3>
                    <h3>Divisor ranges from
                        <input type="number" id="divisionDivisor_LOWER" value=1></input>
                        to
                        <input type="number" id="divisionDivisor_UPPER" value=12></input>
                    </h3>
                </div>
            </div>
        </div>

        <div id="currentProblem" class="row"></div>

        <div id="questionHistory" class="row">
            <div class= "col-2"></div>
            <div class= "col-8">
                <table id="questionHistoryTable"></table>
            </div>

        </div>

        <footer class="footer">
            <div class="row">
                <div class="col-4"></div>
                <div class="col-4"><a href="https://github.com/khlam/math">source</a></div>
            </div>
        </footer>

    </body>

    <script>
        // Parameter watcher, defines what kind of problems to generate
        var params = {meta: 0, init:null}, watcher = function(propertyName, oldValue, newValue) {
            console.log(params.init)

            // Hide/Show start button
            if (params.init.addition || params.init.subtraction || params.init.multiplication || params.init.division) {
                document.getElementById('startButton').style.display = "block";
            }else {
                document.getElementById('startButton').style.display = "none";
            }

            // Hide/show set ranges for the respective problem type
            if (params.init.addition){
                document.getElementById('addition').style.display = "block";
            }else {
                document.getElementById('addition').style.display = "none";
            }
            if (params.init.subtraction){
                document.getElementById('subtraction').style.display = "block";
            }else {
                document.getElementById('subtraction').style.display = "none";
            }
            if (params.init.multiplication){
                document.getElementById('multiplication').style.display = "block";
            }else {
                document.getElementById('multiplication').style.display = "none";
            }
            if (params.init.division){
                document.getElementById('division').style.display = "block";
            }else {
                document.getElementById('division').style.display = "none";
            }
        }
        watch(params, 'init', watcher)
    </script>

    <script>
        let questionCount = 0
        function _generateProblem(params) {
            _hideParams()
            _reduceTitleBannerSize()
            params.init = initGenProblems()
            generateProblem(params).then(question => {
                questionCount+=1
                console.log(question)
                document.getElementById('currentProblem').innerHTML=display(question, questionCount, params);
                return question
            }).then(question => {
                _recordQuestion(question, questionCount)
            })
        }

        function _hideParams() {
            document.getElementById('params').style.display = "none";
        }

        function _reduceTitleBannerSize() {
            document.getElementsByName('title-banner')[0].style.fontSize = "12px";
            document.getElementsByName('title-banner')[1].style.fontSize = "12px";
        }

        function _recordQuestion(data, questionCount) {
            $("#questionHistoryTable").prepend(recordQuestion(data, questionCount));
        }

        function _submitAnswer(e, correctAnswer, questionNumber, params) {
            if (e.keyCode == 13) {
                if (submitAnswer(correctAnswer, questionNumber)) {
                _generateProblem(params)
                setTimeout(function(){document.getElementById("answerBox").focus()}, 5)
                return
                }
            }
        }
    </script>

</html>