Creating Functions In Javascript A javascript function is defined with the function keyword, followed by a name, followed by parentheses (). function names can contain letters, digits, underscores, and dollar signs (same rules as variables). Functions in javascript are reusable blocks of code designed to perform specific tasks. they allow you to organize, reuse, and modularize code. it can take inputs, perform actions, and return outputs. a function definition is sometimes also termed a function declaration or function statement.
Creating Functions In Javascript How To Guide To use a function, you must define it somewhere in the scope from which you wish to call it. see also the exhaustive reference chapter about javascript functions to get to know the details. a function definition (also called a function declaration, or function statement) consists of the function keyword, followed by: the name of the function.
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