Implement a For loop in MooTools

Question

I have to use Mootools for a website but being a real newbie I'm stuck with my code:

  var val = element.get('value');
  // Here I get a number between 1 and 6 and I'd like to implement a loop that goes from 1 to the value of val (between 1 and 6) 
  $('jj_enfant' + val).addClass("validate['required']");
  $('mm_enfant' + val).addClass("validate['required']");
  $('aaaa_enfant' + val).addClass("validate['required']");
  $('last_name_enfant' + val).addClass("validate['required','nodigit']");
  $('first_name_enfant' + val).addClass("validate['required','nodigit']");

MooTools is a JavaScript library. You should learn JavaScript before you go learning a JavaScript library. This is a very basic (fundamental) JavaScript question which you will easily find solutions to in any JavaScript tutorial. — Chris Morgan
– Chris Morgan, Commented Aug 22, 2011 at 10:59

Dimitar Christoff · Accepted Answer · 2011-08-22 11:30:01Z

1

var val = element.get('value').clean().toInt();

for (var ii = 1; ii <= val; ++ii) {
    $('jj_enfant' + ii).addClass("validate['required']");
    $('mm_enfant' + ii).addClass("validate['required']");
    $('aaaa_enfant' + ii).addClass("validate['required']");
    $('last_name_enfant' + ii).addClass("validate['required','nodigit']");
    $('first_name_enfant' + ii).addClass("validate['required','nodigit']");
}

// or... 

while(val--) {
    $('jj_enfant' + val).addClass("validate['required']");
    $('mm_enfant' + val).addClass("validate['required']");
    $('aaaa_enfant' + val).addClass("validate['required']");
    $('last_name_enfant' + val).addClass("validate['required','nodigit']");
    $('first_name_enfant' + val).addClass("validate['required','nodigit']");
}

edited Aug 22, 2011 at 11:30

answered Aug 22, 2011 at 10:52

Dimitar Christoff

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Comments

Chris Morgan · Accepted Answer · 2011-08-22 10:57:36Z

0

This isn't a Mootools question, just a javascript question.

for (var counter = 1; counter < val; counter++) {
    //Loop code
}

edited Aug 22, 2011 at 10:57

Chris Morgan

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answered Aug 22, 2011 at 10:50

Dennis

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1 Comment

Chris Morgan Over a year ago

Teaching good JavaScript style from the start is a good idea. It's fairly universally accepted JavaScript style that function calls should be fn() and statements like for should be for () rather than for(), to differentiate them slightly more from function calls which they clearly are not. For these reasons have I edited your answer to insert the space.

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