The text-rendering attribute provides hints to the renderer about what tradeoffs to make when rendering text.

The JavaScript exception "nothing to repeat" or "invalid quantifier in regular expression" occurs when a quantifier in a regular expression is applied to nothing or applied to an assertion.

The unary negation (-) operator precedes its operand and negates it.

The break statement terminates the current loop or switch statement and transfers program control to the statement following the terminated statement. It can also be used to jump past a labeled statement when used within that labeled statement.

The JavaScript exception "calling a builtin X constructor without new is forbidden" occurs when you try to call a builtin constructor without using the new keyword. All modern constructors, such as Promise and Map, must be called with new.

The xlink:type attribute identifies the type of XLink being used. In SVG, only simple links are available.

The JavaScript exception "tagged template cannot be used with optional chain" occurs when the tag expression of a tagged template literal is an optional chain, or if there's an optional chain between the tag and the template.

The export declaration is used to export values from a JavaScript module. Exported values can then be imported into other programs with the import declaration or dynamic import. The value of an imported binding is subject to change in the module that exports it — when a module updates the value of a binding that it exports, the update will be visible in its imported value.

The constructor method is a special method of a class for creating and initializing an object instance of that class.

The function declaration creates a binding of a new function to a given name.