Method Definitions:

The Number object is only defined in JavaScript 1.1 and later.

In the header of this document, there is a number defined as follows:

var n = Number(1.414213562373095048801688724209698078570);

This is 40 digits of the square root of two, but results are not shown on this page, because precision can legitimately vary between browsers or platforms, but the values in the tables below should be based on the variable n.

The following table tests a method that only exists in JavaScript 1.3 and later.

The following tables tests methods that only exist in JavaScript 1.5 and later.

The following method is defined in Netscape 6.0 and newer and in Internet Explorer 5.5 and newer, but is not officially defined in JavaScript 1.5.

Last Updated: 10-06-2001