ajax - Javascript trim whitespace on click -

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i have email form field. on click, executes javascript ... 

$(document).on('click', '#add_delegate', function() {   registrationhelper.added_delegate = true;   // var button = $(event.target);   var button = $(this);   var uri = button.data('url');   if (typeof uri === 'undefined') {     return false;   }   var input = $('#email_search');   var data = {email:input.val()};   data.text().replace(/ /g,'');   var spinner = $('#delegate_add_spinner');    spinner.css({display:'inline-block'});    $.ajax({type:'post', url: uri, data:data}).success(function(card) {      var html = $(card);     var data_id = html.attr('data-id');     var existing_elem = $('.mini_addresscard[data-id=' + data_id + ']');     if (existing_elem.length < 1) {        input.popover('hide');       // in seperate timeout because ie8 damn stupid; crashes if run directly       settimeout(function () {         $('#address_cards').append(html);         var last_card = $('#address_cards div.mini_addresscard').last();         //last_card.get(0).innerhtml = card;         // html.attr("id", 'sdklfjaklsdjf');         last_card.css({display:'none'}).show('blind');       }, 10);      } else {        var background = existing_elem.css('background');       existing_elem.css({'background':'#ffffac'});       existing_elem.animate({         'background-color':'#ebedf1'       }, {         complete: function() {           existing_elem.css({background:background});         }       });       // var border_color = existing_elem.css('border-color');       // existing_elem.css({'border-color':'#eff038'});       // existing_elem.animate({'border-color':border_color});     }    }).complete(function(data) {     spinner.hide();   }).error(function(data) {     var input = $('#email_search');     input.popover("destroy");      var error = 'please try again later'; //incase crazy happens     if(data.status == "422"){         error = 'you cannot add supervisor.';       }     if(data.status == "404" ){         error = 'could not find email address.';       }     add_popover(input, error);     input.popover('show');   });    return false; });

my goal trim whitespace before ajax request

so can see in code above added line 

data.text().replace(/ /g,'');

... renders button useless. in other words button nothing when clicked.

since you're using jquery, why not make use of .trim():

this:

var data = {email:input.val()}; data.text().replace(/ /g,'');

becomes:

var data = {email:$.trim(input.val())};

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