What is the best way to add keyup function to codeigniter form_textarea?

[RalphLeMouf]

Hello -

 

I am trying to add a counter that starts with the maximum number of characters a lotted and counts backwards as the user types until they reach their limit. I'm assuming the best way to do this is with jquery keyup, however I have tried A BUNCH of different snippets of jquery and I am not able to integrate it within the codeigniter format. What is the best way to do this with codeiginter?

 

Here is my I am trying to add it to. I would prefer to leave my structure as is and just add what is needed.

 

 

<div class="edit_section_title">
My Life <br />Tell us a about yourself <span class="edit_sub_text">(1350 character limit)</span>
</div>
<div class="edit_text_area"> 
<?php 

if(empty($user['mylife']))
{
echo form_textarea('mylife');
}
else
{
echo form_textarea('mylife', $user['mylife']);
}


?>
</div>

 

thanks so much in advance

[cpd]

Create a Javascript file and include it in the header. The file should contain the logic for adjusting the character counter - possibly register a "keyUp" event listener as well.

[kareem3d]

Add this javascript code ( you have to include jquery )

$(document).ready(function()
{
$('[name="mylife"]').keypress(function(e){

 var length = $('[name="mylife"]').val().length;

 $(".edit_sub_text").html('(' + (1350 - length) + 'character limit)');

});
});