Slide 35
Slide 35 text
ύϑΥʔϚϯενϡʔχϯά
StateͱPropsͷ͕ߋ৽͞Εͳ͍߹ίϯϙʔωϯτΛߋ৽͠ͳ͍
→React.shouldComponentUpdate(): boolean Λ͔ͭͬͯ࠶ඳըΛ੍ޚ͢Δ
ɹࠓճProps, StateΛͭશͯͷίϯϙʔωϯτ͕BaseComponentΛ
ɹܧঝ͢ΔΑ͏ʹ͠ղܾͨ͠
Ͳ͏ΒReact.ComponentΛܧঝͨࣗ͠࡞ComponentΛܧঝͤ͞Δͷ
ΞϯνύλʔϯΒ͍͠Ͱ͢ɻڧ͍ਓڭ͍͑ͯͩ͘͞