26 lines
702 B
HTML
26 lines
702 B
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 4.21</title>
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<script>
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function getBracelet()
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{
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var bracelets = (prompt("How many bracelets do you want?"," "));
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while (isNaN(bracelets) || (bracelets < 0))
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{
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bracelets = prompt("Please enter a positive number. How many bracelets do you want?"," ");
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}
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document.write("You are ordering " + bracelets + " bracelets. Thank you!");
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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 colspan ="2">
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<h1> </h2>
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<h1>Order Your Bracelets Now!</h1>
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<p><input type="button" id="bracelets" value="Order bracelets" onclick="getBracelet();" /></p>
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</td></tr>
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</table></body>
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</html>
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