久しぶりにJSを触ってみた

Transcript

1. ٱ͠ͿΓʹJSΛ৮ͬͯ Έͨ
2. ͸͍ • @mackee a.k.a Ϛίϐʔ • υϩʔϯܳਓ • Work: Perl & Go
3. ࠷ۙ࡞ͬͨ΋ͷ • github.com/mackee/go-sqlla • ΫΤϦϏϧμʔ • github.com/mackee/kuiperbelt v1 • http 1.1ҎલͷϦΫΤετΛwebsocketʹม ׵ͯ͘͠ΕΔ܅
4. ͸͍
5. kuiperbeltΛॻ͍ͨͷͰ ;ͱJavaScriptΛॻ͖ͨ͘ͳͬͯ͠·ͬͨͷͰ͠ ͨ • ΫϥΠΞϯτͰಈ͘ݴޠ͍ͬͯ͠Δͷ JavaScript͔͠ͳ͍ • ͱ͸͍͑ॻ͚ΔΘ͚Ͱ͸ͳ͍
6. ͦ͏͍͑͹
9. ΄͏
10. ͱΓ͋͑ͣॻ͍ͯΈΔ
11. HTML͕͜͏Ͱ
12. JS͕͜͏Ͱ͢
13. ͪΐͬͱಛघͳJSͳͷͰ • $ gopherjs build main.goͬͯ΍ͬͯ͝ʹΐ͝ ʹΐͱͨ͜͠ͱΛ΍Βͳ͍ͱ͍͚·ͤΜ • ͱʹ͔͘Ͳ͔͜Ͱॻ͍ͨ͜ͱ͕͋Δγϯλο Ϋε͕࢖͑ͯ΂ΜΓ
14. ࣮ࡍಈ͘(σϞΛࡽ͢ͷ͕ΊΜ Ͳ͍͘͞ͷͰ๻ͷखݩͰ)
15. Ͱɺgopherjsͷ࿩ͳΜͰ͚͢ ΕͲ
16. gopherjs • go get github.com/gopherjs/gopherjs • gopherjs build main.goͬͯ΍Δͱmain.js͕ ੜ·ΕΔ • github.com/gopherjs/gopherjs/js͍ͬͯ͏ͷ Λimport͢ΔͱͳΜ͔͍Ζ͍Ζ࢖͑Δ
17. ղઆ
18. ͔Μͦ͏ • ͝ʔͰ͢΂͔͚͓ͯͯ͘͢͝΋͠Ζ͔ͬͨͰ͢ • ͔͠͠JSͱͷΠϯλʔϑΣΠε͸ܕͳ͠ͳͷ ͰɺGoϊϦͰॻ͘ͱิ׬ͱ͔ฉ͔ͳͯ͘ʮΦ ΦοʯͱͳΔ • ֎෦ϥΠϒϥϦΛ࢖Θͣʹpure goͰॻ͚͹ͩ ͍Ϳָ͕ग़དྷΔؾ͕͢Δ