JavaScriptcreated by Brendan Eich in 1995

Programming language that is one of the core technologies of the World Wide Web, alongside HTML and CSS.

• Weakly typed
• Dynamically typed
• Functions are first-class
• Zero-index language

Supports much of the structured programming syntax (e.g. if statements, loops, switch statements, etc.). One syntactic difference is automatic semicolon insertion, which allow semicolons (which terminate statements) to be omitted.