JavaScript case insensitive property lookup

Map is one of the most common data structures in Java, and String is one of the most common types for a map’s key. By default, a map of this sort has case-sensitive keys .26 May 2020

You know keys in the java. util. HashMap are case sensitive . It means you can keep both “abc” and “ABC” as keys in the same map.

2 Answers. While object properties are strings and they are case sensitive , you could use an own standard and use only lower case letters for the access. You could apply a String#toLowerCase to the key and use a function as wrapper for the access.