Java script 7

Function Declarations

 function functionName(parameters)

 {
  code to be executed
} 

Example

function myFunction(a, b)
 {
    return a + b;
}

Function Expressions

A function expression can be stored in a variable:

Example

var x = function (a, b) {return a + b}; 

 

 

Functions Can Be Used as Values

 

Example

function myFunction(a, b)

 {
    return a + b;
}

var x = myFunction(4, 3);

 

Function Parameters and Arguments

  

functionName(parameter1, parameter2, parameter3)

 {
    code to be executed
}