Java
A programming language and platform based on the JVM. Java and JavaScript are separate technologies; similar names do not imply code compatibility.
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A programming language used in browsers and server environments for events, data and application logic. JavaScript and Java are different languages. Modern engines can use just-in-time compilation.
Definition and sourcesjQuery
A JavaScript library simplifying DOM operations, events and requests. New projects should compare its necessity with modern browser capabilities.
Definition and sourcesJSON
A text data-interchange format using objects, arrays and values. It is not executable code; syntactic validity does not establish semantic correctness.
Definition and sourcesJSON Web Token
A token format containing claims. Signatures protect integrity, but ordinary signed JWTs do not hide contents; verify algorithm, audience and expiry.
Definition and sources