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This part of the JavaScript section on MDN serves as a repository of facts about the JavaScript language. Read more about this reference.
Global Objects
This chapter documents all the JavaScript standard built-in objects, along with their methods and properties.
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Statements
This chapter documents all the JavaScript statements and declarations.
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Expressions and operators
This chapter documents all the JavaScript expressions and operators.
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Functions
This chapter documents how to work with JavaScript functions to develop your applications.