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Closure and Memory Leaks

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  • Returning a function literal created as an internal object within another function, and assigning it to a variable in the calling application, is known as closure in JavaScript

function leakMemory(   ) {

  var el = document.getElementById('el');

  var o = { 'el': el };

  el.o = o;

}

  • Accidental closure can create memory leaks as above

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by VinodSebastian



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