The toSource() method returns a string representing the source code of the object.

The groupBy() method groups the elements of the calling array according to the string values returned by a provided testing function. The returned object has separate properties for each group, containing arrays with the elements in the group.

An empty statement is used to provide no statement, although the JavaScript syntax would expect one.

SVG drawings and images are created using a wide array of elements which are dedicated to the construction, drawing, and layout of vector images and diagrams. Here you'll find reference documentation for each of the SVG elements.

Scalable Vector Graphics (SVG) are an XML-based markup language for describing two-dimensional based vector graphics.

A Promise is an object representing the eventual completion or failure of an asynchronous operation. Since most people are consumers of already-created promises, this guide will explain consumption of returned promises before explaining how to create them.

The SVG <set> element provides a simple means of just setting the value of an attribute for a specified duration.

The subtraction assignment operator (-=) subtracts the value of the right operand from a variable and assigns the result to the variable.

The <symbol> element is used to define graphical template objects which can be instantiated by a <use> element.

The function* keyword can be used to define a generator function inside an expression.