Defining and Calling Functions
<< JavaScript Tutorials - Herong's Tutorial Examples
This chapter provides a quick introduction of using user defined functions in JavaScript. Topics include defining new functions, calling existing functions, passing primitive and object parameters, returning values, using local variables.
Defining Your Own Functions Defining Your Own Functions - Example Calling Your Own Functions - Example Passing Parameters by Value or by Reference Function Parameters Are Passed as Local Copies Function Parameters Are Passed as Local Copies - Example Global and Local Variables - Scope Rules Global Variables - Examples Local Variables - Examples Collision of Global and Local Variables - Examples "return" Statement and Return Value
Defining Your Own Functions
Defining Your Own Functions - Example
Calling Your Own Functions - Example
Passing Parameters by Value or by Reference
Function Parameters Are Passed as Local Copies
Function Parameters Are Passed as Local Copies - Example
Global and Local Variables - Scope Rules
Global Variables - Examples
Local Variables - Examples
Collision of Global and Local Variables - Examples
"return" Statement and Return Value
