v8 (and all other JS engines I tested) are kind of stupid when it comes to garbage collection. You can see a detailed explanation of the problem in this blog po

v8 (and all other JS engines I tested) are kind of stupid when it comes to garbage collection. You can see a detailed explanation of the problem in this blog post: http://point.davidglasser.net/2013/06/27/surprising-javascript-memory-leak.html http://point.davidglasser.net/2013/06/27/surprising-javascri...