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  1. <!DOCTYPE html>
  2. <html>
  3. <head>
  4.     <meta charset="utf-8">
  5.     <title>S457948</title>
  6.     <meta name="author" content="Wojciech WaliΕ›" />
  7.     <meta name="keywords" content="Zad Dom"/>
  8.     <script>
  9.         alert('S457948');
  10.         function Calculator(operator)
  11.         {
  12.             var a = document.getElementById('firstValue').value;
  13.             var b = document.getElementById('secondValue').value;
  14.             switch(operator)
  15.             {
  16.                 case '+':
  17.                     var result = parseFloat(a) + parseFloat(b);        
  18.                 break;
  19.  
  20.                 case '-':
  21.                     var result = parseFloat(a) - parseFloat(b);        
  22.                 break;  
  23.  
  24.                 case '*':
  25.                     var result = parseFloat(a) * parseFloat(b);        
  26.                 break;  
  27.  
  28.                 case '/':
  29.                     var result = parseFloat(a) / parseFloat(b);        
  30.                 break;    
  31.             }
  32.         document.getElementById('result').value = result;
  33.         }
  34.     </script>
  35.  
  36. </head>
  37. <body>
  38.     <form id="Calculator">
  39.         <input type="text" id="firstValue" placeholder="Pierwsza liczba"/>
  40.         <br>
  41.         <input type="text" id="secondValue" placeholder="Druga liczba"/>
  42.         <br>
  43.         <input type="text" id="result" placeholder="wynik" disabled="disabled"/>
  44.         <br>
  45.         <button type="button" onclick="Calculator(this.innerHTML)">+</button>  
  46.         <button type="button" onclick="Calculator(this.innerHTML)"> - </button>
  47.         <button type="button" onclick="Calculator(this.innerHTML)"> / </button>
  48.         <button type="button" onclick="Calculator(this.innerHTML)"> * </button>
  49.  
  50.     </form>
  51. </body>
  52.  
  53. </html>
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