Which programming languages did Netscape try to add to their browser in order to make it more dynamic?

The programming languages Netscape tried to add to their browser to make it more dynamic were Java and Scheme.

In 1995, Netscape pursued two routes to add dynamic behavior to their browser, Netscape Navigator:
1. Collaborating with Sun Microsystems to embed the Java programming language
2. Hiring Brendan Eich to embed the Scheme language