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36 lines
895 B
36 lines
895 B
<!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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<meta http-equiv="X-UA-Compatible" content="ie=edge">
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<title>Pocitadlo</title>
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</head>
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<body>
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<button onclick="pridat()">Pridat</button>
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<br>
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<button onclick="odebrat()">odebrat</button>
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<br>
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<button onclick="vynulovat()">vynulovat</button>
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<div id="cislo">0</div>
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<script>
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function pridat() {
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var x = document.getElementById("cislo").innerHTML;
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x = parseInt(x)+1;
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document.getElementById("cislo").innerHTML = x;
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}
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function odebrat() {
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var x = document.getElementById("cislo").innerHTML;
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x = parseInt(x)-1;
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document.getElementById("cislo").innerHTML = x;
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}
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function vynulovat() {
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document.getElementById("cislo").innerHTML = 0;
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}
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</script>
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</body>
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</html>
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