Benchmark: cloneDeep vs structuredClone vs JSON clone

HTML Preparation code:

<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>

Script Preparation code:

var obj = [{"value":"64d4ac801e7ca8220d469901","title":"Bonner Carter"},{"value":"64d4ac8023a44301222299b6","title":"Candice Hoffman"},{"value":"64d4ac805d14b4ddca7caa0b","title":"Tamika Sanders"},{"value":"64d4ac807ccfee17f96a49c3","title":"Amie Bray"},{"value":"64d4ac80300d509a539e9352","title":"Giles Weeks"},{"value":"64d4ac805d12705449dc3703","title":"Leonard Salinas"},{"value":"64d4ac80807a84e72f802e54","title":"Hansen Brooks"},{"value":"64d4ac8063359f660571b4f1","title":"Ursula Cherry"},{"value":"64d4ac805d660307afabec7b","title":"Stephens Munoz"},{"value":"64d4ac80f58786476d3987ea","title":"Goldie Mendoza"},{"value":"64d4ac80d11b8f4f25ee15f7","title":"Fitzpatrick Nolan"},{"value":"64d4ac80236858817a1fcea1","title":"Jenkins Ferguson"},{"value":"64d4ac80424663ca6d377ce2","title":"Espinoza Barry"},{"value":"64d4ac80593a15689685bc5d","title":"Decker Erickson"},{"value":"64d4ac8011354f87753aba5d","title":"Kline Bernard"},{"value":"64d4ac80e7fe829b47a12aed","title":"Doyle Kramer"},{"value":"64d4ac80eca2833396efe0f9","title":"Leblanc Ware"},{"value":"64d4ac802cbfc90e08de6e94","title":"Sweet Gibson"},{"value":"64d4ac80593e6b41b1912055","title":"Aguilar Ramsey"},{"value":"64d4ac807ff4fa3b8352a831","title":"Mae Davis"},{"value":"64d4ac8049a89897367dfde0","title":"Lynda Kidd"},{"value":"64d4ac803f7f1b18898b20c0","title":"Rosalie Fisher"},{"value":"64d4ac800196555f2231d9fb","title":"Daugherty Hancock"},{"value":"64d4ac80866eaf9f4cefdcc4","title":"Ashley Osborn"},{"value":"64d4ac80c97490d55d7fbba6","title":"Rosanne Bruce"},{"value":"64d4ac80b20c941acf802827","title":"Lois Strong"},{"value":"64d4ac80d3652e8db1904559","title":"Cummings Austin"},{"value":"64d4ac8007fcbff6191d9d01","title":"Faith Kelly"},{"value":"64d4ac8031aa3f833a750788","title":"Ines Leonard"},{"value":"64d4ac80d97e342999c6662b","title":"Fulton Richard"},{"value":"64d4ac802bae78c7c91ee4cf","title":"Baird Shepard"},{"value":"64d4ac80b30ad4c024e7dd9c","title":"Jordan Santiago"},{"value":"64d4ac80faae3a4da999330f","title":"Staci Henry"},{"value":"64d4ac803b7d9833602c2070","title":"Billie Wilson"},{"value":"64d4ac80085e765a600f6493","title":"Mccarty Hester"},{"value":"64d4ac804eb6486ebac6c1aa","title":"Melva Ramirez"},{"value":"64d4ac80dc9ea632842d1fe5","title":"Talley Richards"},{"value":"64d4ac80ebdd65cb42841618","title":"Catherine Cox"},{"value":"64d4ac80206934d10e258d4e","title":"Kellie Knight"},{"value":"64d4ac8038820299f08623f5","title":"Rice Mccarty"},{"value":"64d4ac80e07894987d93e767","title":"Gallagher Coffey"},{"value":"64d4ac80f2dc6b7e205ea236","title":"Rich Dale"},{"value":"64d4ac80393839c556a8f296","title":"Baxter Jordan"},{"value":"64d4ac80b6159f7446f92d44","title":"Chris Marsh"},{"value":"64d4ac80529489bce3e166d1","title":"Nicholson Schmidt"},{"value":"64d4ac8055fe9d8ccdd2d1cf","title":"Juliette Keith"},{"value":"64d4ac80fabd757086545fde","title":"Krista Miller"},{"value":"64d4ac80e7991bea8aed4146","title":"Ofelia House"},{"value":"64d4ac8004f38858ea0da2f8","title":"Chen Travis"},{"value":"64d4ac80bd732c83368742c8","title":"Gates Baker"},{"value":"64d4ac8014c5f503f8700667","title":"Miranda Houston"},{"value":"64d4ac80f444744780218d29","title":"Darcy Kim"},{"value":"64d4ac8077b63021666b1e76","title":"Terry Riddle"},{"value":"64d4ac80cfb5ab6867f40e93","title":"Diann Roy"},{"value":"64d4ac80997e1e5682580c8f","title":"Welch Copeland"},{"value":"64d4ac8039c7407270052c23","title":"Pitts Stokes"},{"value":"64d4ac80c93a19ccdb4af6c0","title":"Benson Bauer"},{"value":"64d4ac80396d02463d9d765c","title":"Blair Clarke"},{"value":"64d4ac8055aaa95dcc0c7cb8","title":"Penny Ortega"},{"value":"64d4ac804b99685c6817d880","title":"Shannon Sims"},{"value":"64d4ac80666cdc9eac1314ca","title":"Branch Landry"},{"value":"64d4ac80e81678a0c6feb8e5","title":"Lewis Head"},{"value":"64d4ac80728253a9b153112e","title":"Buckner Stein"},{"value":"64d4ac80d926be3e41d2fca5","title":"Jeri Frederick"},{"value":"64d4ac80d6db663f79d8815c","title":"Mai Ellis"},{"value":"64d4ac80305f706150ae23b6","title":"Bennett Rodriquez"},{"value":"64d4ac80e7cffb1529f8abf6","title":"Millie Avery"},{"value":"64d4ac801895f2c2507955cf","title":"Mcfadden Hull"},{"value":"64d4ac807cf10c7e67a0240e","title":"Vance Haynes"},{"value":"64d4ac809575fd8bf0652fd1","title":"Hunt Carey"},{"value":"64d4ac80ff17023ab9d2405f","title":"Slater Forbes"},{"value":"64d4ac8055d6039b3778e935","title":"Garrett Simmons"},{"value":"64d4ac808ea6d16fc94f8890","title":"Payne Moody"},{"value":"64d4ac80b4b92d542df83447","title":"Mclean Drake"},{"value":"64d4ac803b947315366cacd9","title":"Gonzales Waller"},{"value":"64d4ac80754755b614fbb6ba","title":"Hebert Long"},{"value":"64d4ac80ed985c313140ea2e","title":"Felicia Nieves"},{"value":"64d4ac800f8d5e04d3fdca33","title":"Schultz Buckner"},{"value":"64d4ac8062d18d6d67506fe8","title":"Shelton Fox"},{"value":"64d4ac806f9c7ff1ed91a0eb","title":"Clarissa Schwartz"},{"value":"64d4ac80b6bc4fe597d0b2d7","title":"Solomon Phelps"},{"value":"64d4ac80b0fe321c1778be5a","title":"Edwina Kirk"},{"value":"64d4ac80e96ae90ea398ecf3","title":"Elnora Flowers"},{"value":"64d4ac80fe0fded27b1fc2e0","title":"Lindsey Powers"},{"value":"64d4ac80268e69417823c909","title":"Antoinette Strickland"},{"value":"64d4ac8007473c887b242ca3","title":"Noemi Randolph"},{"value":"64d4ac8024051f4b76312c90","title":"Ophelia Harrell"},{"value":"64d4ac801bb2266e32e43bed","title":"Harris Bullock"},{"value":"64d4ac80193320bd4e847fcb","title":"Sonia Solis"},{"value":"64d4ac80c2f86c283b92e88c","title":"Moon Pittman"},{"value":"64d4ac807456389975b4b938","title":"Greta Holder"},{"value":"64d4ac8022a6e82947f712c3","title":"Stone Chavez"},{"value":"64d4ac808d57a8261e780870","title":"Francis Taylor"},{"value":"64d4ac8022bbd3ce041fe603","title":"Lori Rosario"},{"value":"64d4ac80836111e246818ed4","title":"Jana Blackwell"},{"value":"64d4ac80eb6323bdb53526c2","title":"Shaw Hubbard"},{"value":"64d4ac80ebeee6ff28928183","title":"Selena Buckley"},{"value":"64d4ac80031614e0a3fefa47","title":"Mitzi Mathews"},{"value":"64d4ac80f576ee8295c4b477","title":"Gross Bell"},{"value":"64d4ac802f9b38a57dd84dde","title":"Florine Mullins"}];

var result = null;

Tests:

cloneDeep
result = _.cloneDeep(obj);
structuredClone
result = structuredClone(obj);
JSON clone
result = JSON.parse(JSON.stringify(obj));

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
cloneDeep
structuredClone
JSON clone

Fastest: N/A

Slowest: N/A

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Latest run results:

Run details: (Test run date: 9 months ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/115.0.0.0 Safari/537.36

Browser/OS: Chrome 115 on Windows

View result in a separate tab

Test name	Executions per second
cloneDeep	12163.4 Ops/sec
structuredClone	12334.8 Ops/sec
JSON clone	17604.4 Ops/sec

cloneDeep vs structuredClone vs JSON clone (version: 0)

Comparing performance of: cloneDeep vs structuredClone vs JSON clone

Created: 9 months ago by: Guest

Jump to the latest result

cloneDeep

structuredClone

JSON clone

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A