Passing a function through parameters with parameters.?

Question

Okay, so I need to pass a function through a parameter. Here's an example that is pretty close to what I want to do only that the function I'm passing has parameters in it too.
// returns the current hour
function GetCurrentHour()
{
// obtaining the current hour
var date = new Date();
var hour = date.getHours();

// return the hour
return hour;
}

// display greeting
function DisplayGreeting(hourFunc)
{
// retrieve the hour using the function received as parameter
hour = hourFunc();

// display greeting
if (hour >= 22 || hour <= 5)
document.write("Goodnight, world!");
else
document.write("Hello, world!");
}

// call DisplayGreeting
DisplayGreeting(GetCurrentHour);


Any suggestions??

Answer 1

MyFunction1(MyFunction2(Parm1, Parm2));

Answer 2

Please remember to write which language your using so that people answering can match the syntax.



for a start you can not pass a function as a value to another function. you can only pass varibles.



your function getcurrenthours returns a varible of type hours, so dispaly greeting shoud display



so your doce should read something abit more like this:



//returns the current hour in a integer

function int GetCurrentHour()

{

// obtaining the current hour

var date = new Date();

int hour = date.getHours();



// return the hour

return hour;

}



// display greeting

function DisplayGreeting(int hour)

{



// display greeting

if (hour >= 22 || hour <= 5)

document.write("Goodnight, world!");

else

document.write("Hello, world!");

}



//your command

// call DisplayGreeting

DisplayGreeting(GetCurrentHour());



good luck

Answer 3

Why not just call your function inside of the other?

Answer 4

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