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Suppose that I write some JavaScript code that displays the first ten records from a database as table row elements. When the user clicks to load more rows, the table row elements are removed from the page, but are saved in Javascript.
Now, suppose that I have a similar page that displays 100 rows at a time and there are thousands of rows that the user might page thru.
How can I know how much memory is being used when these elements are cached in Javascript?
Use Chrome’s memory profiler : https://developers.google.com/chrome-developer-tools/docs/heap-profiling
It has all the functions you expect for this kind of analysis.