Question

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 Select the correct answer from above options JavaScript questions and answers, JavaScript questions pdf, JavaScript question bank, JavaScript questions and answers pdf, mcq on JavaScript pdf, JavaScript questions and solutions, JavaScript mcq Test , Interview JavaScript questions, JavaScript Questions for Interview, JavaScript MCQ (Multiple Choice Questions)

Answer 1

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.