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5.3 Declaration Statements

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5.3 Declaration Statements

The var and function are declaration statements—they declare or define variables and functions. These statements define identifiers (variable and function names) that can be used elsewhere in your program and assign values to those identifiers. Declaration statements don’t do much themselves, but by creating variables and functions they, in an important sense, define the meaning of the other statements in your program.

5.3 Declaration Statements | 89

The subsections that follow explain the var statement and the function statement, but do not cover variables and functions comprehensively. See §3.9 and §3.10 for more on variables. And see Chapter 8 for complete details on functions.

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