https://d2.naver.com/helloworld/59361Routing ? in web(μ΄λ²€νΈμ λ¬) μΊ‘μ³λ§ -> νκ² -> λ²λΈλ§Event PropagationEvent Delegation"μΉ" κΈ°μ€μμ λΉλμ λ²λ€λ§μ κ°μ μλ―Έμ΄λ€.
