46 lines
1.2 KiB
HTML
46 lines
1.2 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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<html>
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<head>
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<title>Example 3.5</title>
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<script>
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function getResult()
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{
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var x = parseInt(prompt("Enter x"," "));
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var y = parseInt(prompt("Enter y"," "));
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var add = prompt("Do you want to add the numbers (yes or no)?"," ");
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if (add == "yes")
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{
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var result = x + y;
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document.write("<p>I added the numbers " + x + " and " + y + ".</p>");
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document.write("<p>The result is " + result + ".</p>");
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}
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else
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{
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var subtracty = prompt("Do you want to subtract x from y (yes or no)?"," ");
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if (subtracty == "yes")
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{
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var result = y - x;
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document.write("<p>I subtracted " + x + " from " + y + ".</p>");
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document.write("<p>The result is " + result + ".</p>");
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}
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else
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{
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result = x - y;
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document.write("<p>I subtracted " + y + " from " + x + ".</p>");
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document.write("<p>The result is " + result + ".</p>");
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}
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}
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}
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</script>
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</<head>
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<body>
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<table align ="center" width ="70%"><tr><td>
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<h1> </h2>
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<h1>Add x and y or Subtract </h1>
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<h3>Click the button! </h3>
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<p><input type="button" id="numbers" value="Enter your numbers" onclick="getResult();" /></p>
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</td></tr></table></body>
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</html>
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