https://www.matatransit.com/cms/includes/js/plugins/limittextbox.j…4OVfgrC55aTA4nxwzM93t8RxnqROzo%2F91WlWB7lVd

1(function ($) {
2    $.fn.extend({
3        limit: function () {
4            var $this = $(this);
5            var interval;
6            var limit = $this.attr('maxlength');
7            var limitTextBox = $this.parent().find('.limitTextBoxBar');
8            var limitTextBoxInner = limitTextBox.find('.limitTextBoxBarInner');
9            var limitTextBoxInfoWrpr = limitTextBox.find('.limitTextBoxBarInfoWrpr');
10
11            limitTextBoxInner.html(" ");
12
13            $this.focus(function () {
14                interval = window.setInterval(applyLimit, 100);
15            })
16
17            $this.blur(function () {
18                clearInterval(interval);
19                applyLimit();
20            });
21
22            applyLimit();
23
24            function getNewLineCount(text) {
25                var newLineMatch = text.match(/\n/g);
26
27                if (newLineMatch)
28                    return newLineMatch.length;
29
30                return 0;
31            }
32
33            function applyLimit() {
34                var val = $this.val();
35                var valClean = val.replace(/\r\n?|\n/g, "\r\n");
36                var length = valClean.length;
37                var diff = limit - length;
38                var originalscroll = $this.scrollTop();
39
40                if (length > limit) {
41                    if (valClean.substring(valClean.length - 1) == '\n') {
42                        valClean = valClean.substring(0, limit - 1);
43                    } else {
44                        valClean = valClean.substring(0, limit);
45                    }
46                    valClean = valClean.replace(/\r\n/g, "\n");
47                    $this.val(valClean);
48                    $this.scrollTop(originalscroll);
49                }
50
51                if (limitTextBoxInner.html() != limit - length) {
52                    var percent = Math.round(100 - (diff / limit) * 100);
53                    limitTextBoxInner.css('width', percent + '%');
54                }
55
56                if (diff < 0)
57                    diff = 0;
58
59                limitTextBoxInfoWrpr.html(diff + ' character' + (diff != 1 ? 's' : '') + ' left');
60            }
61        }
62    });
63})(jQuery);