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67890 safest cryptocurrency exchange

From ASDFFF, 4 Years ago, written in Plain Text.
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  1. <!DOCTYPE html>
  2. <html lang="en">
  3. <head>
  4.     <meta charset="UTF-8">
  5.     <meta name="viewport" content="width=device-width, initial-scale=1.0">
  6.     <meta http-equiv="X-UA-Compatible" content="ie=edge">
  7.     <title>JS funkcje</title>
  8. </head>
  9. <body>
  10.         Podaj promien kola <input id="inputl" type="text" />
  11.         <button onclick="przetwarzanie();"> Oblicz pole i obwod kola </button>
  12.        
  13. <p id="paragraf1"> </p>
  14. <p id="paragraf2"> </p>
  15. <script>
  16.  
  17. function poleK(r) {
  18.  
  19. return Math.PI * r * r;
  20. };
  21. function obwodK(r) {
  22.     return 2 * Math.PI * r;
  23. }
  24. function przetwarzanie() {
  25.     var inputl = document.getElementById("inputl");
  26. var pl = document.getElementById("paragrafl");
  27. var p2 = document.getElementById("paragraf2");
  28. var r = Number(inputl.value);
  29. var pK = poleK(r);
  30. var oK = obwodK(r);
  31. pl.innerHTML = "Pole = " + pK;
  32. p2.innerHTML = "Obwod = " + oK;
  33. }
  34. </script>
  35. </body>
  36. </html>

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