bold matched character form word in autocomplete

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<script >
$(document).ready(function(){
    var termTemplate = "<span class='ui-autocomplete-term'>%s</span>";

var availableTags = <%=raw  @name_json %>;
$( ".txt-search" ).autocomplete({
    source: function(req, responseFn) {
        var re = $.ui.autocomplete.escapeRegex(req.term);
        var matcher = new RegExp( "^" + re, "i" );
        var a = $.grep( availableTags, function(item,index){
            return matcher.test(item);
        });
        responseFn( a.slice(0, 5) );
      },
  select: function(event, ui){
        $('.txt-search').val(ui.item.value);
        $(".search-form").submit()
    },
    search  : function(){$('.autocomplete-animation').show();},
    open: function (e, ui) {
            var
            acData = $(this).data('autocomplete'),           
                styledTerm = termTemplate.replace('%s', acData.term);
                acData.menu.element.find('a')
                    .each(function () {
                    var me = $(this);
                    count = $(styledTerm).text().split("").length
                   
                    check_element=""
                    $($(me).text().split("")).each(function( index, element ) {
                        if(index==0 && count==1){
                            check_element="<span class='ui-autocomplete-term'>"+element+"</span>"
                        }
                        else if(index==0){
                            check_element="<span class='ui-autocomplete-term'>"+element
                        }else if(index==count-1){
                             check_element+=element+"</span>"
                        }else{
                            check_element+=element
                        }
                      });                  
                     $(me).html(check_element);
                     setTimeout(
                      function()
                      {
                        //do something special
                        $('.autocomplete-animation').hide();

                      }, 1000);
                                        
                });
        }
});
});

</script>
<style>
.ui-autocomplete-term { font-weight: bold; color: #f05434;; }
</style>
Experienced Ruby on Rails and Web Developer having 11+ years experience in Ruby & Ruby on Rails framework, TTD, Rspec. Expert on Git, SVN , Git Hook, Bitbucket. I use MySQL, MongoDB , PostgreSQL & Sqlite for Database Management. In front-end development I use HTML5 / HAML, CSS3 / SCSS, javascript / coffeescript. I also know about the deploy the applications on VPS Server i.e AWS EC2, Heroku, Ditital Ocean, Hostgator, Site5, BlueHost, AWS Load Balancing, Elastic Beanstalk, AWS S3 e.t.c ☆ Frameworks ☆ Ruby on Rails, Sinatra ☆ Database ☆ - PostgreSQL, MySQL, SQLite, - MongoDB, Amazon DynamoDB,AWS RDS. ☆ Front end Techniques ☆ - ReactJS, Angular js, Node js, Javascript, JQuery, HTML, CSS - Twitter Bootstrap, Coffeescript. Why hire me? * Master degree in Computer Science * 6 years professional experiences and 10+ projects completed * Available all day long, 7 days/24 hours * Good communication skills with fluent English * Self-motivated, fast-learner and "I can do" mind * Quality insurance and fast delivery

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