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Which of the following gives the high level breakdown of memory usage?

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Which of the following gives the high level breakdown of memory usage?

(a) about:memory

(b) memory

(c) about-memory

(d) about::memory

The question was posed to me in an online interview.

My question comes from Performance Navigation and Memory topic in chapter Invocation and Performance Navigation of JavaScript

1 Answer

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Right option is (a) about:memory

Explanation: The Memory column represents native memory. DOM nodes are stored in native memory. If this value is increasing, DOM nodes are getting created. Typing about:memory into the location bar brings up a page that gives a high-level breakdown of memory usage.

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