The Map[@@toStringTag] property has an initial value of "Map".

ECMAScript6 JavaScript Map Property Prototype Reference

The entries() method returns a new Iterator object that contains the [key, value] pairs for each element in the Map object in insertion order.

ECMAScript6 Iterator JavaScript Map Method Prototype

The keys() method returns a new Iterator object that contains the keys for each element in the Map object in insertion order.

ECMAScript6 Iterator JavaScript Map Method Prototype

The values() method returns a new Iterator object that contains the values for each element in the Map object in insertion order.

ECMAScript6 Iterator JavaScript Map Method Prototype

The __proto__ property of Object.prototype is an accessor property (a getter function and a setter function) that exposes the internal [[Prototype]] (either an object or null) of the object through which it is accessed.

Deprecated JavaScript Object Property Prototype Reference

The [@@match]() method retrieves the matches when matching a string against a regular expression.

JavaScript Method Prototype Reference RegExp Regular Expressions

The [@@replace]() method replaces some or all matches of a this pattern in a string by a replacement, and returns the result of the replacement as a new string. The replacement can be a string or a function to be called for each match.

JavaScript Method Prototype Reference RegExp Regular Expressions

The [@@search]() method executes a search for a match between a this regular expression and a string.

JavaScript Method Prototype Reference RegExp Regular Expressions

The RegExp[@@species] accessor property returns the RegExp constructor.

JavaScript Property Prototype Reference RegExp Regular Expressions

The [@@split]() method splits a String object into an array of strings by separating the string into substrings.

JavaScript Method Prototype Reference RegExp Regular Expressions

The exec() method executes a search for a match in a specified string. Returns a result array, or null.

JavaScript Method Prototype Reference RegExp Regular Expressions

The global property indicates whether or not the "g" flag is used with the regular expression. global is a read-only property of an individual regular expression instance.

JavaScript Property Prototype Reference RegExp Regular Expressions

The ignoreCase property indicates whether or not the "i" flag is used with the regular expression. ignoreCase is a read-only property of an individual regular expression instance.

JavaScript Property Prototype Reference RegExp Regular Expressions

The multiline property indicates whether or not the "m" flag is used with the regular expression. multiline is a read-only property of an individual regular expression instance.

JavaScript Property Prototype Reference RegExp Regular Expressions

The source property returns a String containing the source text of the regexp object, and it doesn't contain the two forward slashes on both sides and any flags.

JavaScript Property Prototype Reference RegExp Regular Expressions

The test() method executes a search for a match between a regular expression and a specified string. Returns true or false.

JavaScript Method Prototype Reference RegExp Regular Expressions

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

JavaScript Method Prototype Reference RegExp Regular Expressions

The toString() method returns a string representing the regular expression.

JavaScript Method Prototype Reference RegExp Regular Expressions

The initial value of the @@iterator property is the same function object as the initial value of the values property.

ECMAScript6 Iterator JavaScript Method Prototype Reference set

The entries() method returns a new Iterator object that contains an array of [value, value] for each element in the Set object, in insertion order. For Set objects there is no key like in Map objects. However, to keep the API similar to the Map object, each entry has the same value for its key and value here, so that an array [value, value] is returned.

ECMAScript6 Iterator JavaScript Method Prototype set