For Loops

[Gregc.]

Hi

I am not sure you guys can help me, but here it goes. am having
trouble understanding for loops. If I have a loop that says:
var coffee = new Array();
coffee ["mixedblend"] = 5.50;
for (c in coffee)

{code goes here}

That for saying while there is a c in coffee, then conduct the code.
Is that a correct interpretation?

Greg

[Randy Webb]

Gregc. said the following on 8/29/2006 8:27 PM:

Hi

I am not sure you guys can help me, but here it goes. am having
trouble understanding for loops. If I have a loop that says:
var coffee = new Array();
coffee ["mixedblend"] = 5.50;
for (c in coffee)

{code goes here}

That for saying while there is a c in coffee, then conduct the code.
Is that a correct interpretation?

Yes.

--
Randy
comp.lang.javascript FAQ - http://jibbering.com/faq & newsgroup weekly
Javascript Best Practices - http://www.JavascriptToolbox.com/bestpractices/

[Dr John Stockton]

JRS: In article <11**********************@74g2000cwt.googlegroups. com>,
dated Tue, 29 Aug 2006 17:27:07 remote, seen in
news:comp.lang.javascript, Gregc. <gr*********@bigpond.composted :

>I am not sure you guys can help me, but here it goes. am having
trouble understanding for loops. If I have a loop that says:

var coffee = new Array();
coffee ["mixedblend"] = 5.50;
for (c in coffee)

{code goes here}

That for saying while there is a c in coffee, then conduct the code.
Is that a correct interpretation?

No.

Consider and try the following

var coffee = new Array();
coffee ["mixedblend"] = 5.50;
coffee ["grots"] = 1.50;
for (c in coffee) alert (c + " costs " + coffee[c])

IMHO, it is generally better to use Array only for numeric indices, and
the above could start var coffee = {} // empty Object.

The ordering apparent in coffee by for (c in coffee) is undefined.

You should use var c; and, as that is essentially an indexing operation,
I'd use J instead of c.

--
© John Stockton, Surrey, UK. ?@merlyn.demon.co.uk Turnpike v4.00 IE 4 ©
<URL:http://www.jibbering.com/faq/>? JL/RC: FAQ of news:comp.lang.javascript
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[Gregc.]

Dr John Stockton wrote:

Consider and try the following

var coffee = new Array();
coffee ["mixedblend"] = 5.50;
coffee ["grots"] = 1.50;
for (c in coffee) alert (c + " costs " + coffee[c])

IMHO, it is generally better to use Array only for numeric indices, and
the above could start var coffee = {} // empty Object.

The ordering apparent in coffee by for (c in coffee) is undefined.

You should use var c; and, as that is essentially an indexing operation,
I'd use J instead of c.

Hi

what does IMHO mean?

Greg

[Jim Land]

"Gregc." <gr*********@bigpond.comwrote in news:1157063021.499358.280480
@m73g2000cwd.googlegroups.com:

what does IMHO mean?

Learn to look things like this up on the web.

http://www.learnthenet.com/english/glossary/imho.htm

[Gregc.]

Jim Land (NO SPAM) wrote:

>Learn to look things like this up on the web.

http://www.learnthenet.com/english/glossary/imho.htm

Thanks for that.