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I know it's a very basic question, but since I am a beginner I have very limited knowledge about it. I tried to understand it by googling various online sources, but could not get a crystal clear view of it. Thanks in advance.

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  • I would say function and method are synonyms in all languages, not just Javascript. There might be language lawyers here that will cite subtle differences, but that's how I think of them. Commented Dec 25, 2015 at 4:28
  • @duffymo: How you think of them is immaterial. How ES5 and ES6 specification thinks of them is the important bit. And there is a clear difference - only methods can be invoked on a target using the dot notation, setting this (or self, in other languages) in the process. Commented Dec 25, 2015 at 4:31
  • You're correct; my thinking is immaterial here. Thank you for the instruction. Commented Dec 25, 2015 at 13:35

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A method, in JavaScript, is a function that is set on an object property; no more, no less.

window.f = function() {} // method of `window` a = { g: function() {} // method of `a` }; function x() { var h = function() {} // not a method, because it's in a local variable, // not in an object attribute var b = { i: h }; // method of `b` now. };
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