I have a simple custom developed list that contains three columns, one of these columns should take maximum 7 characters, otherwise problems are caused, thus I want to make the user aware of the number of characters typed / remaining.

I have tried the below code snippet and css to achieve this:

<script src="../../Style Library/Scripts/jquery-1.9.0.min.js" type="text/javascript" ></script>
<script type="text/javascript">
// ----------- start show Nr of Characters left for the header
$.fn.fieldLimit = function(options) {  
return this.each(function() {  
var characters = 7;
if($(this).val().length > characters){
$(this).val($(this).val().substr(0, characters));
var remaining = characters - $(this).val().length;
$(options.result).html(remaining + " tecken kvar ");         
// ----------- start jQuery DocReady
$(document).ready(function() {
// -- Characthers left
$('td.ms-formbody > span').prepend("<span class='CharactersLeft'></span>");

<style type="text/css">
/* Count characters for page title */

I have inserted the above code snippet inside the lists NewForm.aspx, particularly inside a PlaceHolderAdditionalPageHead content place holder.

This should result in a red colored message above the field as soon as the user begins typing, why is it not happening?

Any ideas would be appreciated.

  • 1
    My first guess would be that you try to bind the fieldLimit event before the DOM element for the field is rendered. Does it work when you copy paste it in a dev console in the browser? Aug 1, 2014 at 8:44
  • I did as you suggested and the class CharactersLeft gets actually rendered when I debugg the NewForm.aspx using chrome, however looking at the Network tab in debugging mode, it shows that jquery.min.map file cannot be found, the file's name is jquery-1.9.0.min.js and is located in the Style Library, why does it complain about jquery.min.map while the file's name is jquery-1.9.0.min.map ? Aug 1, 2014 at 11:35
  • Well if it can not find the jQuery file, than the URL to the script must be incorrect for your file and page Aug 1, 2014 at 11:37

1 Answer 1


this function set field limit characters:

function setFieldLimitCharacters( field, limit )
    field.unbind( 'keyup change input paste' ).bind( 'keyup change input paste',function(e){
        if( $( this ).val().length > limit )
            $( this ).val( $( this ).val().substring( 0, limit ) );


setFieldLimitCharacters( $( "#fieldID" ), 7 );

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