摩斯密碼 | 程式專案 | 橘蘋學習平台

{"id":27758,"student_id":10,"content":"{\"html\":\"\u003c!DOCTYPE html\u003e\\n\u003chtml\u003e\\n\u003chead\u003e\\n\\t\u003ctitle\u003eDocument\u003c/title\u003e\\n\\t\u003clink rel=\\\"stylesheet\\\" href=\\\"https://stackpath.bootstrapcdn.com/bootstrap/4.1.0/css/bootstrap.min.css\\\" integrity=\\\"sha384-9gVQ4dYFwwWSjIDZnLEWnxCjeSWFphJiwGPXr1jddIhOegiu1FwO5qRGvFXOdJZ4\\\" crossorigin=\\\"anonymous\\\"\u003e\\n\\t\u003cscript src=\\\"https://code.jquery.com/jquery-3.3.1.slim.min.js\\\" integrity=\\\"sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo\\\" crossorigin=\\\"anonymous\\\"\u003e\u003c/script\u003e\\n    \u003cscript src=\\\"https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.0/umd/popper.min.js\\\" integrity=\\\"sha384-cs/chFZiN24E4KMATLdqdvsezGxaGsi4hLGOzlXwp5UZB1LY//20VyM2taTB4QvJ\\\" crossorigin=\\\"anonymous\\\"\u003e\u003c/script\u003e\\n    \u003cscript src=\\\"https://stackpath.bootstrapcdn.com/bootstrap/4.1.0/js/bootstrap.min.js\\\" integrity=\\\"sha384-uefMccjFJAIv6A+rW+L4AHf99KvxDjWSu1z9VI8SKNVmz4sk7buKt/6v9KI65qnm\\\" crossorigin=\\\"anonymous\\\"\u003e\u003c/script\u003e\\n\u003c/head\u003e\\n\u003cbody class=\\\"text-center p-4\\\"\u003e\\n    \u003ch2\u003e摩斯密碼\u003c/h2\u003e\\n    \u003ctextarea class=\\\"form-control\\\" rows=\\\"8\\\" cols=\\\"40\\\" id=\\\"text\\\"\u003e\u003c/textarea\u003e\\n    \u003cdiv class=\\\"m-2\\\"\u003e\\n        \u003cbutton class=\\\"btn btn-primary\\\" id=\\\"encode\\\"\u003e編碼\u003c/button\u003e\\n        \u003cbutton class=\\\"btn btn-primary\\\" id=\\\"decode\\\"\u003e解碼\u003c/button\u003e\\n        \u003cbutton class=\\\"btn btn-primary\\\" id=\\\"play\\\"\u003e播放\u003c/button\u003e    \\n    \u003c/div\u003e\\n\u003c/body\u003e\\n\u003c/html\u003e\",\"css\":\"textarea {\\n    font-family: monospace;\\n    font-weight: 900;\\n    font-size: 3rem;\\n}\",\"js\":\"/**\\n *  encodeTable -\u003e 編碼用對照表\\n *  decodeTable -\u003e 解碼用對照表\\n */\\n$('#decode').click(decode);\\n$('#encode').click(encode);\\n$('#play').click(play);\\n\\n// 編碼\\nfunction encode () {\\n    var text = $('#text').val();\\n    var code = '';\\n    text.split(' ').forEach(function (word) {\\n        word.split('').forEach(function (a) {\\n            code += encodeTable[a] + ' ';\\n        });\\n        code += ' ';\\n    });\\n    code = code.trim();\\n    $(\\\"#text\\\").val(code);\\n}\\n\\n// 解碼\\nfunction decode () {\\n    var text = $('#text').val();\\n    var code = '';\\n    text.split('  ').forEach(function (word) {\\n        word.split(' ').forEach(function (a) {\\n            code += decodeTable[a];\\n        });\\n        code += ' ';\\n    });\\n    code = code.trim();\\n    $(\\\"#text\\\").val(code);\\n}\\n\\n// 播放\\nfunction play () {\\n    var code = $('#text').val().split('');\\n    function run () {\\n        var t = code.shift();\\n        if (t == '.') {\\n            playNote(500, 50);\\n        }\\n        if (t == '-') {\\n            playNote(500, 200);\\n        }\\n        if (t == '.') {\\n            setTimeout(run, 150); 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