Example of Array valueOf() method : In this example I will show how to create a copy of an array. <!DOCTYPE html> <html> <body> <p>To make a copy of an array, click ...
JavaScript converts objects to primitive values by calling the valueOf method, and we rarely need to call the valueOf method ourselves. When an object with an expected primitive value is encountered, ...
According to the link below, the functionality of using valueOf when == is executed is part of JavaScript. Not sure if it has been there since the beginning, or at least since ES5. (Andreas Woess ...