request URL

fetch URL

[1] Introduce the "fetch URL" concept to be more clear about fragments. F… · whatwg/fetch@f5b806b ( 版) <https://github.com/whatwg/fetch/commit/f5b806bb0ec1e7b28afebfdb4d8fc372b5e7fc0c>

[2] Clarify why request's url field exists ( (annevk著, )) <https://github.com/whatwg/fetch/commit/15eaf654a97fafdf247a1f1df52449f33f8f94fe>