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Nov 20th, 2017
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  1. <!DOCTYPE html>
  2. <head>
  3. <meta charset="UTF-8" />
  4. <title>05</title>
  5. </head>
  6. <body>
  7. <ol>
  8. <li><a href="poletroj.html">Pole trójkąta</a></li>
  9. <li><a href="obwod.html">Obwód</a></li>
  10. <li><a href="poleprost.html">Pole prostokąta</a></li>
  11. </ol>
  12. </body>
  13. </html>
  14.  
  15.  
  16.  
  17.  
  18.  
  19.  
  20. <!DOCTYPE html>
  21. <head>
  22. <meta charset="UTF-8" />
  23. <title>05</title>
  24. </head>
  25. <body>
  26. <script>
  27. function licz(formularz) {
  28. if(formularz.a.value==""|formularz.b.value=="")
  29. alert("Wprowadź dane");
  30. else{
  31. a=formularz.a.value;
  32. b=formularz.b.value;
  33. formularz.p.value=a*b;
  34. }
  35. }
  36. </script>
  37. <form name="formularz">
  38. Podaj bok a: <input type="text" name="a"><br><br>
  39. Podaj bok b: <input type="text" name="b"><br><br>
  40. <input type="button" value="Oblicz" onClick="licz(this.form)"><br><br>
  41. Wynik:<br><br>
  42. Pole prostokąta: <input type="text" name="p"><br><br>
  43. </form>
  44. </body>
  45. </html>
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