The mission of Java Script is to improve the open web, making it accessible for everyone, through the development and support of open-source software, and collaboration with the development community is called:.

The mission of Java Script is to improve the open web, making it accessible for everyone, through the development and support of open-source software, and collaboration with the development community is called jQuery Foundation.

Explanation:

jQuery is a Javascript library and the developers working on it follow the above mentioned mission which falls under the umbrella of jQuery Foundation - which is a bunch of developers who work with the same goal.

the major difference between the two is the objective and the reward of the game. candy crush has a puzzle theme with the objective of meeting a specific quota of points or objects, you are able to gain access to the next level and compete with peers on the process. on duolingo the objective is rather different, you are given sets of questions for you to answer for you to move to the next level and as for the reward, you are able to learn available language as this is an app developed to teach the user about other languages.