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70 lines
3.6 KiB
70 lines
3.6 KiB
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Kalkulačka</title>
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<link rel="stylesheet" href="css/bootstrap.css">
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<style>
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.calculator {
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border: 1px solid #aaa;
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border-radius: 10px;
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padding: 15px;
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}
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</style>
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</head>
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<body>
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<div class="container">
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<h1 class="mt-3 text-center">Kalkulačka EZ, která není dokonalá</h1>
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<div class="justify-content-center">
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<div class="calculator">
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<input type="text" id="display" class="form-control form-control-lg" readonly>
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<!-- div.row*4>div.col-md-3*4>button.btn.btn-outline-dark -->
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<div class="row my-2">
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<div class="col-md-3"><button class="btn btn-outline-dark w-100 number" onclick="addText('7')">7</button></div>
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<div class="col-md-3"><button class="btn btn-outline-dark w-100 number" onclick="addText('8')">8</button></div>
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<div class="col-md-3"><button class="btn btn-outline-dark w-100 number" onclick="addText('9')">9</button></div>
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<div class="col-md-3"><button class="btn btn-primary w-100 operator" onclick="addText('/')">/</button></div>
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</div>
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<div class="row my-2">
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<div class="col-md-3"><button class="btn btn-outline-dark w-100 number" onclick="addText('4')">4</button></div>
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<div class="col-md-3"><button class="btn btn-outline-dark w-100 number" onclick="addText('5')">5</button></div>
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<div class="col-md-3"><button class="btn btn-outline-dark w-100 number" onclick="addText('6')">6</button></div>
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<div class="col-md-3"><button class="btn btn-primary w-100 operator" onclick="addText('*')">*</button></div>
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</div>
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<div class="row my-2">
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<div class="col-md-3"><button class="btn btn-outline-dark w-100 number" onclick="addText('1')">1</button></div>
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<div class="col-md-3"><button class="btn btn-outline-dark w-100 number" onclick="addText('2')">2</button></div>
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<div class="col-md-3"><button class="btn btn-outline-dark w-100 number" onclick="addText('3')">3</button></div>
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<div class="col-md-3"><button class="btn btn-primary w-100 operator" onclick="addText('-')">-</button></div>
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</div>
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<div class="row my-2">
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<div class="col-md-3"><button class="btn btn-outline-dark w-100 number" onclick="addText('0')">0</button></div>
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<div class="col-md-3"><button class="btn btn-outline-dark w-100 decimal" onclick="addText('.')">.</button></div>
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<div class="col-md-3"><button class="btn btn-success w-100" id="equals" onclick="calculate()">=</button></div>
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<div class="col-md-3"><button class="btn btn-primary w-100 operator" onclick="addText('+')">+</button></div>
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</div>
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<div class="row my-2">
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<div class="col-md-12"><button class="btn btn-outline-danger w-100" id="clear">C</button></div>
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</div>
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</div>
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</div>
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</div>
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<script src="js/bootstrap.bundle.js"></script>
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<script>
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function addText(txt) {
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document.getElementById("display").value += txt;
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}
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function calculate() {
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document.getElementById("display").value = eval(document.getElementById("display").value);
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}
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</script>
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</body>
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</html>
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