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JavaScript 研修
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August 28, 2025
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JavaScript 研修
2025年度リクルート エンジニアコース新人研修の講義資料です
Recruit
PRO
August 28, 2025
Transcript
15 slides
JavaScript ݚम (2025) @progfay Author: @txxm_443
Name: ਫ ༑ل ΈͣͨΓ ͱ ͖ ɾ2023 ೖࣾ (৽ଔ
3 ) ɾApplication Solution Group(IRT) ॴଐ ɾझຯ: ίʔώʔ, ࡶ ɾTypeScript, React, Next.js Ͱ Web App Λॻ͍ͯΔ @txxm_443
Name: ᚸ ൏ ี · ͷ ͠ΎΜ͚͢ ɾ2020 ೖࣾ (৽ଔ
6 ) ɾApplication Solution Group(RCL) ॴଐ ɾझຯ: Web ͷಈΛ͏ ɾNext.js × GraphQL @ඒ༰ྖҬ @progfay
ɾ2021 ೖࣾ (৽ଔ 5 ) ɾApplication Solution Group(IRT) ॴଐ ɾझຯ:
ܕύζϧ ͳͲ ɾTypeScript, React, Next.js Ͱ Web App Λॻ͍ͯΔ Name: ੴ ͍ͣ͘͠͠ ͨ͘ @sititou70
Name: ࠤ౻ তจ ͞ ͱ ͏ ͖͋;Έ ɾத్ೖࣾ ɾApplication Solution
Group(RCL) ॴଐ ɾझຯ: ےτϨ(ʹΘ͔) ɾNext.jsΛத৺ʹ৭ʑ @akfm_sato
Schedule ɾ10:15 ~ 10:30ɹJavaScript Introduction ɾ10:30 ~ 12:30ɹJavaScript Workshop ɾ12:30
~ 13:30ɹLunch ɾ13:30 ~ 18:30ɹTypeScript
Δ͜ͱ ɾJavaScript ͷνϡʔτϦΞϧʹઓͯ͠Β͏ ɾ͍͔ͭ͘ͷ՝Λղ͍ͯΒ͍ɺΘ͔Βͳ͚Εฉ͍͍ͯͩ͘͞ ɾͲΜͲΜઌʹਐΜͰΒͬͯߏ͍·ͤΜ શ෦ղ͖ऴΘͬͨͱ͍͏ਓ࡞ʹઓͯ͠Έ͍ͯͩ͘͞ʂ
ɾಛఆͷϥΠϒϥϦͷ͍ํ ɾReact / Next.js ͷ͍ํผͷߨٛͰΓ·͢ ɾݹ͍ JavaScript ͷه๏׳श (ES6 Ҏલ)
ɾൃలతͳ JavaScript ه๏ʹ͍ͭͯ (tc39/proposals ͳͲ) ɾJavaScript ͷ෦తͳػߏৄࡉͳ༷ʹ͍ͭͯ Βͳ͍͜ͱ
ɾʮΘ͔Βͳ͍ʯͱݴ͏ͷࣾձਓͱͯ͠ඞཁͳεΩϧ ɾʮ͜ͷཧղͰ߹ͬͯΔʁʯͲΜͲΜ࣭͍ͯͩ͘͠͞ʂ ɾ͙͢͞· @jstsߨࢣ ·Ͱ mention Λʂ (ଟؾ͚Δͣ) ɾͦΕͰԠ͕ͳ͍ͱ͖ɺ͓ۙ͘ͷ JavaScript
Ϛελʔ·Ͱ 🖐 ɾ͘͠৴པͰ͖ΔιʔεΛ֬ೝͯ͠ΈΑ͏ 👀 Θ͔Βͳ͍͜ͱ͕͋ͬͨΒ
ɾԿ͔͋ΕɺͱΓ͋͑ͣ MDN ͰௐͯΈΔ ɾJavaScript ͷೖࢿྉͳΒ JavaScript Primer ͕Φεεϝ ɾৄࡉͳ༷ ECMAScript
Language Specification (্ڃऀ͚) ɾ࣮ࡍʹࣗͰಈ͔ͯ͠Έ͔ͯ֬ΊΔͷେ ৴༻Ͱ͖Διʔε
ɾదʹᰐ͍ͨΓɺࡉ͘ใΛνϟοτͰڞ༗͢ΔͳͲͯ͠Β͍͍ͨ ɾؒҧͬͯͨΒڭ͑ͯͶ طʹ JavaScriptϚελʔͳਓ?
ɾϒϥβ্Ͱಈ͘ (Chrome, Safari, Firefox, etc…) ɾαʔόʔ্Ͱಈ͘ (Node.js ͳͲ) ɾ࠷ۙ΄Μͱ͍ΖΜͳͱ͜ΖͰಈ͍͍ͯΔ ɾ੩తܕ͚͕ͳ͍
What’s JavaScript?
https://nodejs.org/en/download ࣮ߦڥߏங
͏·͘ಈ͔ͳ͚Ε StackBlitz Λ͓͏ ࣮ߦڥߏங
or https://stackblitz.com/edit/recruit-tech-javascripting WorkShop
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