28 lines
930 B
HTML
28 lines
930 B
HTML
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<html>
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<head>
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<title>Example 7.12</title>
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<script>
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function begin()
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{
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var one = 0; var two = 1; var three = "_"; var four = NaN;
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var bool1 = new Boolean(one);
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var bool2 = new Boolean(two);
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var bool3 = new Boolean(three);
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var bool4 = new Boolean(four);
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document.getElementById('1').innerHTML = (one + " results in Boolean " + bool1);
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document.getElementById('2').innerHTML = (two + " results in Boolean " + bool2);
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document.getElementById('3').innerHTML = (three + " results in Boolean " + bool3);
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document.getElementById('4').innerHTML = (four + " results in Boolean " + bool4);
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}
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</script>
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</head>
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<body><table align="center" width = "70%"><tr><td><br />
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<input type ="button" onclick="begin()" value = "Check Boolean values"><br />
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<h3><span id = "1"> </span></h3>
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<h3><span id = "2"> </span></h3>
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<h3><span id = "3"> </span></h3>
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<h3><span id = "4"> </span></h3>
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</td></tr></table>
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</body>
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</html>
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