Javascript Tutorial -25- Function (Passing Parameter in a function)

Adding Parameters to Functions
You can specify parameters when you define your function to accept input values at run time. The parameters work like placeholder variables within a function; they're replaced at run time by the values (known as argument) provided to the function at the time of invocation.

Parameters are set on the first line of the function inside the set of parentheses, like this:

function functionName(parameter1, parameter2, parameter3) {
// Code to be executed
}

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