The constructor property returns a reference to the object constructor function that has created the instance of an object. The value of the constructor is not a string containing the function’s name, but it is a reference to the function itself.
Syntax:
Object.constructor
Return Value: It is a reference to the object of constructor.
Example 1: Below example illustrates how to display the constructor of an object.
Javascript
function Gfg(name) { Â Â Â Â this .name = name } let neveropen = new Gfg( 'Geeks' ); console.log(neveropen.constructor); |
Output:
Example 2: Below example illustrates how to change the constructor of an object.
Javascript
function Types() { } let types = [     new Array(),     [],     new Boolean(),     false ,     new Date(),     new Error(),     new Function(),     new RegExp(),     /(?:)/ ] let j = 0; while (j < types.length) {     types[j].constructor = Types     types[j] = [types[j].constructor,     types[j] instanceof Types,     types[j].toString()]     ++j; } console.log(types.join( '\n' )); |
Output:
Browser supported:
- Chrome 1 and above
- Edge 12 and above
- Firefox 1 and above
- Internet Explorer 11 and above
- Opera 9.5 and above
- Safari 3 and above