View Full Version : Having trouble declaring the function twice

omega_lonestar

10-14-2008, 03:56 PM

I have a quick question. I'm writing a piece of code that will generate if it is an odd number or an even number. I was able to get the output. Now I'm trying to figure out how can I declare the function twice. This is my code:

function f(n)

{

document.write(n);

}

var m=Math.round(1+ Math.random()*100);

if (m%2!==0)

f(m + " is an odd number<br>");

else

f(m + " is an even number<br>");

Philip M

10-14-2008, 05:37 PM

No, you cannot have multiple scripts with the same names of functions and/or variables.

If you require a second instance of the same script you must rename all functions and variables to (say) m2 and so on.

Your code has several errors:

var m = Math.round(1+ Math.random()*100);

if (m%2 != 0) {

var f = (m + " is an\nodd number");

}

else {

f = (m + " is an\neven number");

}

alert (f)

Not equal to is != not !==

Newline is \n not <br> which is a literal, but newline is not required here.

If at first you don't succeed, redefine success.

rnd me

10-14-2008, 07:06 PM

Not equal to is != not !==

Newline is \n not <br> which is a literal, but newline is not required here.

actually not equal is !==, not equivalent is !=.

although all it really needs is the condition changed to if(m%2). no reason to compare to zero here...

OP:

not sure what you mean by "declare the function twice".

you could wrap your loose code in a function, at which point it can be called repeatedly:

function f(n){document.write(n);}

function reportEveness(m){

if (m%2){

f(m + " is an odd number<br>");

}else{

f(m + " is an even number<br>");

}

}

// do two different numbers:

var n=Math.round(1+ Math.random()*100);

reportEveness(n);

n=Math.round(1+ Math.random()*100);

reportEveness(n);

omega_lonestar

10-16-2008, 01:32 PM

Thank you kindly :) I was able to figure out the coding. I meant to say that I would like to run the function twice so that way the results from the random function appears differently rather than the same.

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