The getHourCycles() method of Intl.Locale instances returns a list of one or more unique hour cycle identifiers for this locale.

The JavaScript exception "missing variable name" is a common error. It is usually caused by omitting a variable name or a typographic error.

The startOffset attribute defines an offset from the start of the path for the initial current text position along the path after converting the path to the <textPath> element's coordinate system.

Whereas HTML defines a webpage's structure and content and CSS sets the formatting and appearance, JavaScript adds interactivity to a webpage and creates rich web applications.

The u2 attribute specifies list of Unicode characters (refer to the description of the unicode attribute of the <glyph> element for a description of how to express individual Unicode characters) and/or ranges of Unicode characters, which identify a set of possible second glyph in a kerning pair.

The v-mathematical attribute indicates the alignment coordinate for glyphs to achieve mathematical baseline alignment for vertically oriented glyph layouts. The value is an offset in the font coordinate system relative to the glyph-specific vert-origin-x attribute.

The push() method of Array instances adds the specified elements to the end of an array and returns the new length of the array.

The Intl.Collator object enables language-sensitive string comparison.

The Intl.DurationFormat object enables language-sensitive duration formatting.

The __lookupSetter__() method of Object instances returns the function bound as a setter to the specified property.