The example demonstrates how to add the sec() method to the Math object to provide the capability to calculate secants.
<HTML>
<HEAD>
</HEAD>
<BODY>
<SCRIPT>
// Add the sec function to the Math object
function sec(aValue)
{
return 1/Math.cos(aValue);
}
// Register the new function
Math.constructor.prototype.sec = sec;
// Test the Math.sec() method
document.write(Math.sec(2))
document.write("<BR>")
</SCRIPT>
</BODY>
</HTML>| See also: | Math.cosec(), Math.cot() |
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JavaScript Programmer's Reference, Cliff Wootton Wrox Press (www.wrox.com) Join the Wrox JavaScript forum at p2p.wrox.com Please report problems to support@wrox.com © 2001 Wrox Press. All Rights Reserved. Terms and conditions. | ||