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Spread vs object.assing vs forEach pt4
(version: 0)
Comparing performance of:
Spread vs Object.assign vs Foreach vs just for
Created:
2 years ago
by:
Guest
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Tests:
Spread
const a = { email: "abc@mail.com", phone: "12345678", }; const b = { app_version: "AP.12", appsflyer_id: "askldjajkshdlkjh2323h4234j2l3j4h", advertising_id: "23;o4h2l34hl2kj3h4kj23h4", device_os_version: "12", device_name: "Aifon 15 PRO", firebase_instance_id: "2liu3hiuo23y4u23y4ui2y34iy3u4y234", }; const c = { first_name: "lalala", last_name: "dadada" }; let res = { email: null, phone: null, last_name: null, first_name: null, app_version: null, appsflyer_id: null, advertising_id: null, device_os_version: null, device_name: null, firebase_instance_id: null, ...a }; res = { email: null, phone: null, last_name: null, first_name: null, app_version: null, appsflyer_id: null, advertising_id: null, device_os_version: null, device_name: null, firebase_instance_id: null, ...res, ...b }; res = { email: null, phone: null, last_name: null, first_name: null, app_version: null, appsflyer_id: null, advertising_id: null, device_os_version: null, device_name: null, firebase_instance_id: null, ...res, ...c }
Object.assign
const a = { email: "abc@mail.com", phone: "12345678", }; const b = { app_version: "AP.12", appsflyer_id: "askldjajkshdlkjh2323h4234j2l3j4h", advertising_id: "23;o4h2l34hl2kj3h4kj23h4", device_os_version: "12", device_name: "Aifon 15 PRO", firebase_instance_id: "2liu3hiuo23y4u23y4ui2y34iy3u4y234", }; const c = { first_name: "lalala", last_name: "dadada" }; let res = { email: null, phone: null, last_name: null, first_name: null, app_version: null, appsflyer_id: null, advertising_id: null, device_os_version: null, device_name: null, firebase_instance_id: null, ...a }; Object.assign(res, b); Object.assign(res, c);
Foreach
const a = { email: "abc@mail.com", phone: "12345678", }; const b = { app_version: "AP.12", appsflyer_id: "askldjajkshdlkjh2323h4234j2l3j4h", advertising_id: "23;o4h2l34hl2kj3h4kj23h4", device_os_version: "12", device_name: "Aifon 15 PRO", firebase_instance_id: "2liu3hiuo23y4u23y4ui2y34iy3u4y234", }; const c = { first_name: "lalala", last_name: "dadada" }; const res = { email: null, phone: null, last_name: null, first_name: null, app_version: null, appsflyer_id: null, advertising_id: null, device_os_version: null, device_name: null, firebase_instance_id: null, ...a }; Object.keys(b).forEach(key => { res[key] = b[key]; }); Object.keys(c).forEach(key => { res[key] = c[key]; });
just for
const a = { email: "abc@mail.com", phone: "12345678", }; const b = { app_version: "AP.12", appsflyer_id: "askldjajkshdlkjh2323h4234j2l3j4h", advertising_id: "23;o4h2l34hl2kj3h4kj23h4", device_os_version: "12", device_name: "Aifon 15 PRO", firebase_instance_id: "2liu3hiuo23y4u23y4ui2y34iy3u4y234", }; const c = { first_name: "lalala", last_name: "dadada" }; const res = { email: null, phone: null, last_name: null, first_name: null, app_version: null, appsflyer_id: null, advertising_id: null, device_os_version: null, device_name: null, firebase_instance_id: null, ...a }; for (const key in b) { res[key] = b[key]; } for (const key in c) { res[key] = c[key]; }
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Test case name
Result
Spread
Object.assign
Foreach
just for
Fastest:
N/A
Slowest:
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
It looks like you've provided a benchmark result output in a specific format, but I'll do my best to parse it and answer your question. From the output, I can see that there are four benchmark results: 1. "just for" with 6,748,000 executions per second 2. "Object.assign" with 2,380,346 executions per second 3. "Foreach" with 2,271,430 executions per second 4. "Spread" with 1,397,394 executions per second It appears that the benchmark results are comparing the performance of different JavaScript methods or techniques. The question isn't explicitly asked in your output, but I can make some educated guesses: * Is there a specific question about which method is faster (e.g., `Object.assign` vs. `Foreach`)? * Are you asking for a comparison between two specific techniques or methods (e.g., `Spread` vs. `Object.assign`)? * Or perhaps you'd like me to analyze the results and provide some general insights or observations? Please feel free to clarify or ask a specific question, and I'll do my best to help!
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