javascript：从长网址获取十六进制

For example i have such urls:

例如,我有这样的网址:

https://portalvhdsk7w6i7k9.blob.core.windows.net:443/project/5633cc12da73d9160c4cf146.dat
https://portalvhdsk7w6i7k9.blob.core.windows.com/project/5633cc12da73d9160c4cf146.dat
https://example.com/project/5633cc12da73d9160c4cf146.dat
h