Math.SQRT2
JavaScript 1.0+, ECMAScript 1E+, JScript 1.0+
Nav2+, NES2+, IE3+, Opera3+
Syntax
math.SQRT2
Description
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 7.256 shows how the SQRT2 property is used. The function, doMath, returns the square root of 2 to the text box on the page.
Listing 7.256 Example of the SQRT2 Property
<html><body><script type=“text/javascript” language=“JavaScript”><!--// Function returns the square root of 2.function doMath(){ var result = Math.SQRT2; document.form1.answer.value = result;}// --></script><form name=“form1”>The square root of 2 is:<input type=“text” name=“answer” size=“20”><input type=“button” value=“Calculate” onClick='doMath()'> ...
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