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HellBound Hackers | Computer General | Programming

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looping letters in javascript

ranma
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Posted on 22-04-06 02:54
how do you loop letters in javascript?
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RE: looping letters in javascript


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Posted on 22-04-06 02:57
I don't know personally but check out http://www.w3schools.com they might have something about that.


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RE: looping letters in javascript


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Posted on 23-04-06 15:08
What do you mean exactly?

Like:
Code

<script>
    for( i = 0; i <= 10; i++ )
        document.write('a');
</script>




?


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Posted on 23-04-06 15:12
doesnt that write i 10 times? i think he means without the increment


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Posted on 23-04-06 15:36
I'm not quite sure, but I think he wants to loop through different letters. There would be a couple of ways to do this, one would be to use a String.fromCharCode(int) function in a for loop.

String.fromCharCode(i) returns the character of the ascii value of i;

For example, String.fromCharCode(65) returns a capital A.

Stick this in a for loop, like so:

Code
<script>
for (x = 65; x <= 81; x++)
{
document.write(String.fromCharCode(x));
}
</script>




This would print every character from capital A to capital Q.

Another way to do it would be to make a string of all the characters you wish to loop through, then loop through every character in the String.charAt(int) method. This returns the character that is number int in the string, for example

Code
<script>
var chocka = "absdfty152634k";
for (i = 0; i < chocka.length; i++)
{
document.write(chocka.charAt(i));
}
</script>




This loops through every character in the string Chocka and prints them.




Edited by on 23-04-06 15:43