piglatin converter

@Codercoder123May 06.2010

HI! I’m making a program that lets you type in a word and converts it to pig latin. I wrote it out in Python originally, and the program doesn’t work. Is there something wrong with my for loop??

[CODE]<HTML>

<HEAD>

<SCRIPT LANGUAGE = “JavaScript”>

var original = prompt(‘Type a word’);

var count = 0

var istrue = False

var suffix = “”

var modified = “”

var letter;

for (letter in original)

{

if (!(istrue)){

if(letter (!(in “aeiouy”)){

suffix = suffix + letter;

}

if(letter in “aeiouy”){

istrue = True;

}

if(istrue){

modified = modified + letter;

}

alert(modified + suffix + “ae”);

</SCRIPT>

</HEAD>

<BODY>

</BODY>

</HTML>[/CODE]

to post a comment

JavaScript

11 Comments(s) _↴

@GullanianMay 06.2010 — #Run it in FireFox and go to the error console, it's the quickest way to locate errors. From what you have written I can see a few things that would probably fail.

@JMRKERMay 06.2010 — #Run it in FireFox and go to the error console, it's the quickest way to locate errors. From what you have written I can see a few things that would probably fail.[/QUOTE]

Then compare your solution to these

@NicTltMay 06.2010 — #"in" doesn't really work like that in javascript.

You could try something like:

[CODE]
 var original = prompt("Type a word");
 
 for (var i = 0, letter; letter = original[i]; i++) {
 if ("aeiouy".indexOf(letter) > -1) {
 break;
 }
 }
 alert(original.slice(i) + original.substr(0, i) + "ae");
 
 [/CODE]

@Codercoder123authorMay 06.2010 — #whoo! that's a lot of stuff i don't know about! Thanks!

@NicTltMay 06.2010 — #And I was probably still fiddling with it as you read it...:p

Here is the skinny on string functions:

https://developer.mozilla.org/en/Core_JavaScript_1.5_Reference/Global_Objects/String

@NicTltMay 06.2010 — #Hmm still a bit long-winded - no real need for a breaking if statement in a for loop:

[CODE]
 var original = prompt("Type a word");
 
 for (var i = 0; "aeiouy".indexOf(original[i]) === -1; i++);
 
 alert(original.slice(i) + original.substr(0, i) + "ae");
 [/CODE]

@JMRKERMay 07.2010 — #Slightly easier to test if you don't have to reload every time...

<i>
 </i>&lt;script type="text/javascript"&gt;
 do {
 var original = prompt("Type a word");
 
 for (var i = 0; "aeiouy".indexOf(original[i]) === -1; i++);
 
 alert(original.slice(i) + original.substr(0, i) + "ae");
 } while (original != 'end');
 &lt;/script&gt;

Enter 'end' to stop

@NicTltMay 07.2010 — #Probably best to check for end of string as well, to be honest, as the last one really doesn't cope with (accidental) all-consonant words. And I'm not sure IE supports string indexing.

If you wanted to make it more generic, you could do:

[CODE]
 String.prototype.emPiggen = function () {
 for (var i = 0, letter; ((letter = this.substr(i, 1)) && ("aeiouy".indexOf(letter) < 0)); i++);
 return this.slice(i) + this.substr(0, i) + "ae";
 }
 [/CODE]

Then you can do:

[CODE]
 var someString = "String";
 alert(someString.emPiggen());
 alert("Krakatoa".emPiggen());
 [/CODE]

etc.

@NicTltMay 07.2010 — #Or you could even replace the for loop altogether with a regexp:

[CODE]
 String.prototype.emPiggen = function() {
 var i = this.indexOf(this.match(/[aeiouy]/i));
 return (i < 0) ? this : this.slice(i) + this.substr(0, i) + "ae";
 }
 
 [/CODE]

So many ways to skin that cat once you open javascript's knife drawer...:eek:

@KorMay 07.2010 — #What about a translation from/to Dog Latin? ?

@NicTltMay 07.2010 — #And if you want to really annoy anyone tasked with maintaining your code, you can fold it down into one line:?

[CODE]
 String.prototype.emPiggen = function(i) {
 return ((i = this.indexOf(this.match(/[aeiouy]/i))) < 0) ? this : this.slice(i) + this.substr(0, i) + "ae";
 }[/CODE]

And who says javascript isn't a "proper" language??

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