This allows the JS engine to do a better job of allocating the right number of elements for the array, avoiding some resizings. For the PDF in #2504, this avoids 100s of MiBs of allocations in Firefox.
This allows the JS engine to do a better job of allocating the right number of elements for the array, avoiding some resizings. For the PDF in #2504, this avoids 100s of MiBs of allocations in Firefox.