The x attribute defines an x-axis coordinate in the user coordinate system.

The tabindex attribute allows you to control whether an element is focusable and to define the relative order of the element for the purposes of sequential focus navigation.

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 JavaScript Guide shows you how to use JavaScript and gives an overview of the language. If you need exhaustive information about a language feature, have a look at the JavaScript reference.

The strike() method of String values creates a string that embeds this string in a <strike> element (<strike>str</strike>), which causes this string to be displayed as struck-out text.

The RegExp.$1, …, RegExp.$9 static accessor properties return parenthesized substring matches.

The compile() method of RegExp instances is used to recompile a regular expression with new source and flags after the RegExp object has already been created.

The bold() method of String values creates a string that embeds this string in a <b> element (<b>str</b>), which causes this string to be displayed as bold.

The link() method of String values creates a string that embeds this string in an <a> element (<a href="...">str</a>), to be used as a hypertext link to another URL.

The trimEnd() method of String values removes whitespace from the end of this string and returns a new string, without modifying the original string. trimRight() is an alias of this method.