This chapter introduces the concepts, objects and functions used to work with and perform calculations using numbers and dates in JavaScript. This includes using numbers written in various bases including decimal, binary, and hexadecimal, as well as the use of the global Math object to perform a wide variety of mathematical operations on numbers.

Let us dive straight in with a simple example. Take a look at the following code.

=head1 NAME X<regular expression> X<regex> X<regexp> perlre - Perl regular expressions =head1 DESCRIPTION This page describes the syntax of regular expressions in Perl. If you haven't used regular ...

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The <ellipse> element is an SVG basic shape, used to create ellipses based on a center coordinate, and both their x and y radius.

The <filter> SVG element defines a custom filter effect by grouping atomic filter primitives. It is never rendered itself, but must be used by the filter attribute on SVG elements, or the filter CSS property for SVG/HTML elements.

Property accessors provide access to an object's properties by using the dot notation or the bracket notation.

The <circle> SVG element is an SVG basic shape, used to draw circles based on a center point and a radius.

JavaScript Date objects represent a single moment in time in a platform-independent format. Date objects encapsulate an integral number that represents milliseconds since the midnight at the beginning of January 1, 1970, UTC (the epoch).