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Jquery Plugin: text input Character Count limiter (jquery. wordlimitor-1.0.1.js)

Source: Internet
Author: User
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The number of characters in the text input box that needs to be completed by the project is quite good. We recommend it to you.

1. Source Code

/*
* wordlimitor 1.0.1
* Date: 2011-08-01
* (c) 20011 gudufy,http://gudufy.cnblogs.com/
*
* This is licensed under the GNU LGPL, version 2.1 or later.
* For details, see: http://creativecommons.org/licenses/LGPL/2.1/
*/
$(function () {
    $.fn.wordlimitor = function () {
        $(this).each(function (i) {
if ($(this).nextAll('div.textlimit').size() == 0) {
                $(this).after('<div class="textlimit">0</div>');
            }

            $(this).bind('propertychange focus keyup input paste', function () {
var _max = $(this).attr('max');
var _length = $(this).val().length;
if (_length > _max) {
                    $(this).val($(this).val().substring(0, _max));
                }
                _left = $(this).offset().left;
                _top = $(this).offset().top;
                _width = $(this).width();
                _height = $(this).height();

                $(this).nextAll('div.textlimit').html(_length + '/' + _max);
                $(this).nextAll('div.textlimit').css({
'left': _left + _width + 15,
'top': _top + _height - 12
                });
            });

            $(this).focus(function () {
                $(this).nextAll('div.textlimit').fadeIn('slow');
            });

            $(this).blur(function () {
                $(this).nextAll('div.textlimit').fadeOut('slow');
            });

        });
    };

    $('textarea[max],input[max]').wordlimitor();
});

　　

2. Use(Introduce the wordlimitor file and enter max = "number of characters to be restricted" on the input control to be restricted)

<! Doctype HTML public "-// W3C // dtd xhtml 1.0 transitional // en" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<HTML xmlns = "http://www.w3.org/1999/xhtml">
<Head runat = "server">
<Title> character limiter </title>
<Style type = "text/CSS">
. Textlimit {
Position: absolute;
Font-size: 9pt;
Color: #4586b5;
Font-size: 16px;
Font-weight: bold;
Font-family: Arial;
Display: none;
}
</Style>
<SCRIPT src = "jquery-1.4.4.min.js" type = "text/JavaScript"> </SCRIPT>
<SCRIPT src = "jquery. wordlimitor-1.0.1.js" type = "text/JavaScript"> </SCRIPT>
</Head>
<Body>
<P> Single Row restriction: <input type = "text" size = "40" max = "50"/> </P>
<P> multi-row restriction: <textarea rows = "4" Cols = "40" max = "200"> </textarea> </P>
<Br/>
<A href = "mailto: gudufy@163.com"> suggestion </a>
</Body>
</Html>

　　

3. Download

Click to download

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Related Keywords:
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