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What happens when a cloned node is not attached to any DOM. Suppose I have a JavaScript code Clone a DOM element every time it’s method is called.I need this object temporarily, I don’t need to add it to DOM component. But I am worried if it creates performance issue in client side so I am wondering what happens to the object cloned by javascript.
As soon as the JavaScript Engine detects you are done with that object its garbage collector will clean it up for you. As long as the object isn’t in the global scope or is able to be referenced it will be cleaned on a garbage collector pass.