Complex sentence: The first version was completed in ten days in order to accommodate the Navigator 2.0 Beta release schedule, and was called Mocha, which was later renamed LiveScript in September 1995, then JavaScript in September 1995.
Split into simpler sentences: The first version was completed in ten days in order to accommodate the Navigator 2.0 Beta release schedule, and was called Mocha. Mocha was renamed LiveScript in September 1995, then JavaScript in September 1995.