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When is the memory occupied by elements in javascript released

 
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Hi All,

I java the garbage collector frees the memory occupied by the variables of type String etc...................

How does the memory occupied by elements get cleared in javascript other than when the browser is closed.

For example

var a = document.getElementById('div');
When is the memory occupied by variable 'a' released.


And if we do

removechild(a);

What happens to the memory occupied by 'a' ?

Please help me understand this

Thanks

 
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JavaScript employ garbage collection just like Java. So objects are eligible for garbage collection as soon as there are no more reference to them.
 
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