JavaScript Map() Constructor Property

The Javascript Map() Constructor property returns the constructor function of the map. It only returns the reference of the function and does not return the name of the function. In the JavaScript Map() constructor, it returns the function Map(){ [native code] }.

Syntax:

Map.constructor

Return value: Return the construction function of the Map. in the javascript Map(). i.e. function Map() { [native code] }.

Example 1: In this example, the program returns the reference of the function.

Javascript

let language = new Map([
    [1, 'HTML'],
    [2, 'CSS'],
    [3, 'Javascript'],
]);
console.log(language.constructor);

Output:

ƒ Map() { [native code] }

Example 2: In this example, we are using an array of numbers, and the program returns the reference of the function (i.e. function Map() { [native code] } ).

Javascript

const number = new Map([
    [2, 4, 6, 8]
]);
console.log(number.constructor);

Output

[Function: Map]

We have a complete list of Javascript map() methods, to check those please go through this JavaScript Map Complete Reference article.

Supported Browsers:

• Chrome
• Edge
• Firefox
• Opera
• Safari