In JavaScript, if “Strings are objects” then why not Numbers too?


This question already has an answer here:


I believe it's a simple matter of supported syntax. Both, strings and numbers are wrapped in their respective object wrapper (String, Number) when performing objects operations on them.

Number.prototype.isTheMeaningOfLife = function () {
    return this.valueOf() === 42;

(42).isTheMeaningOfLife(); //true
42.0.isTheMeaningOfLife(); //true

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