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- <!DOCTYPE html>
- <html lang="en">
- <head>
- <meta charset="UTF-8">
- <meta http-equiv="X-UA-Compatible" content="IE=edge">
- <meta name="viewport" content="width=device-width, initial-scale=1.0">
- <title>Document</title>
- </head>
- <body>
- <h1>Oblicz koszt dostawy</h1> <br>
- <input type="checkbox" id="chck">
- <label for="chck">Jestem z Zielonej Góry </label> <br>
- <p>albo</p>
- Podaj ilość kilometrów
- <input type="number" id="kilometry"><br>
- <input type="button" id="oblicz" value="Oblicz"><br>
- <p id="tak"></p>
- <script>
- var chck = document.getElementById('chck');
- var km = document.getElementById('kilometry');
- var txt = document.getElementById('tak');
- console.log(chck.value);
- var btn = document.getElementById('oblicz');
- var kwota
- btn.onclick =function () {
- if(chck.checked){
- txt.textContent = "Dowieziemy Twoją pizzę za darmo";
- }else{
- kwota = 2 * km.value;
- txt.textContent = "Dowóz będzie Cię kosztował " + kwota + " złotych";
- }
- }
- </script>
- </body>
- </html>
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