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z tablicy MR

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Mar 30th, 2017
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  1. <!DOCTYPE html>
  2. <html>
  3. <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
  4. <body>
  5.  
  6. <p>Te zadanie z tablicy.</p>
  7.  
  8. <button onclick="te_zadanie_z_tablicy()">X</button>
  9.  
  10. <p id="demo1"></p>
  11.  
  12. <script>
  13. function te_zadanie_z_tablicy() {
  14.  
  15.     var xa = parseInt(prompt("Podaj X wektora A", "0"));
  16.     var ya = parseInt(prompt("Podaj Y wektora A", "0"));
  17.     var xb = parseInt(prompt("Podaj X wektora B", "0"));
  18.     var yb = parseInt(prompt("Podaj Y wektora B", "0"));
  19.    
  20.     var wektor1 = Math.pow(xb - xa, 2) + Math.pow(yb - ya, 2);
  21.    
  22.     var wektor2 = Math.sqrt(wektor1);
  23.    
  24.     alert(wektor2.toFixed(3));
  25.  
  26.     document.getElementById("demo1").innerHTML = wektor2.toFixed(3);
  27. }
  28.  
  29. </script>
  30.  
  31. </body>
  32. </html>
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