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How do you determine the memory footprint of a JavaScript object?

Mary-Kate Olsen
Release: 2024-11-12 06:19:02
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How do you determine the memory footprint of a JavaScript object?

Determining the Memory Footprint of JavaScript Objects

JavaScript objects dynamically allocate memory, making it challenging to determine their size in memory. To address this, we'll explore a solution that recursively calculates the approximate size of an object.

The roughSizeOfObject function takes an object as its input and iterates through its properties. Each property is then pushed onto a stack if it is an object to be processed later and not already in an object list.

For primitive properties (boolean, string, number), their size is added to the bytes variable. The function returns the total bytes consumed by the object.

Applying this function to the provided stud object:

const stud = new Student();
const size = roughSizeOfObject(stud);
console.log(size);
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will output an approximate estimate of the memory size occupied by the stud object.

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