August 1999
Intermediate to advanced
1488 pages
72h 53m
English
Content preview from Pure JavaScript
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Math.SQRT2
JavaScript 1.0+, ECMAScript 1.0+, JScript 1.0+ Nav2+, NES2+, IE 3+, Opera3+ Syntax
math.SQRT2Description
The SQRT2 property of the Math object returns the value of the square root of 2. This is approximately equal to 1.414.
Example
Listing 6.175 shows how the SQRT2 property is used. The function, doMath, returns the square root of 2 to the text box on the page.
Listing 6.175 Example of the SQRT2 Property
<html> <body> <script language="JavaScript"> <!–– Hide // function returns the square root of 2 function doMath(){ var result = Math.SQRT2; document.form1.answer.value = result; } // End Hide ––> </script> <form name=form1> The square root of 2 is: <input type="text" name="answer" size=20> <input type="button" value="Calculate" ... |
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