Adds a trailing /
to the string if it does not already end with a /
It also converts an empty string to ./
Just use new URL(s, document?.baseURI)
for the equivalent functionality in modern browsers.
Combines a string and an optional second part (typically, REST ID), adding /
between them if needed.
If the base string is undefined
, the function will return undefined
regardless of the ID part.
Just use
document?.baseURI ?? ''
for the equivalent functionality in modern browsers.