Jquery If radio button is checked

Question

Possible Duplicate    Check of specific radio button is checked       I have these 2 radio buttons at the moment so that the user can decide whether they need postage included in the price or not    lt input type  radio  id  postageyes  name  postage  value  Yes    gt  Yes  lt input type  radio  id  postageno  name  postage  value  No    gt  No   I need to use Jquery to check if the  yes  radio button is checked  and if it is  do an append function  Could someone tell me how I d do this please   Thanks for any help  edit   I ve updated my code to this  but it s not working  Am I doing something wrong    lt script type  text javascript  gt      lt   CDATA  jQuery document  ready function        input radio name  postage     change function        if   this  val       Yes           alert  test                          gt   lt  script gt

User · Answer

input   bind  click   function e      if    this  val       Yes                body   append  whatever

User · Answer

This will listen to the changed event  I have tried the answers from others but those did not work for me and finally  this one worked      input radio name  postage     change function        if   this  is   checked             alert  lksdahflk

User · Answer

jQuery  input name  inputName   checked   val

User · Answer

input radio name  postage     change function        if   this  val        Yes              append stuff             This will listen for a change event on the radio buttons  At the time the user clicks Yes  the event will fire and you will be able to append anything you like to the DOM

User · Answer

if     test2   is   checked            this  append  stuff

User · Answer

Try this   if   jQuery   postageyes   is   checked

User · Answer

Try this  if    input radio name postage    is   checked         Code to append goes here

User · Answer

Something like this   if     postageyes   is   checked         do stuff

User · Answer

input radio name  postage     change      function            if    this  is   checked    amp  amp    this  val       Yes                    append goes here                     Or  the above - again - using a little less superfluous jQuery      input radio name  postage     change      function            if  this checked  amp  amp  this value     Yes                    note that  as per comments  the  changed                  lt input gt  will  always  be checked  as the change                event only fires on checking an  lt input gt   not                on un-checking it                 append goes here                     Revised  improved-some  jQuery      defines a div element with the text  You re appendin       assigns that div to the variable  appended  var appended       lt div   gt    text  You re appendin          assigns the  id  of  appended  to the  appended  element appended id    appended       1  selects   lt input type  radio    gt   elements with the  name  attribute of  postage     2  assigns the onChange onchange event handler    input radio name  postage     change      function                checks that the clicked radio button is the one of value  Yes             the value of the element is the one that s checked  as noted by  shef in comments          if    this  val       Yes                     appends the  appended  element to the  body  tag               appended  appendTo  body                      else                   if it s the  No  button removes the  appended  element                appended  remove                         x000D   x000D  var appended       lt div   gt    text  You re appendin      x000D  appended id    appended   x000D     input radio name  postage     change function     x000D    if    this  val       Yes     x000D        appended  appendTo  body    x000D      else   x000D        appended  remove    x000D      x000D      x000D   lt script src  https   ajax googleapis com ajax libs jquery 1 6 2 jquery min js  gt  lt  script gt  x000D   lt input type  radio  id  postageyes  name  postage  value  Yes    gt Yes x000D   lt input type  radio  id  postageno  name  postage  value  No    gt No x000D   x000D   x000D    JS Fiddle demo   And  further  a mild update  since I was editing to include Snippets as well as the JS Fiddle links   in order to wrap the  lt input   gt  elements with  lt label gt s - allow for clicking the text to update the relevant  lt input   gt  - and changing the means of creating the content to append    x000D   x000D  var appended       lt div   gt      x000D     id    appended   x000D     text    Appended content  x000D      x000D     input radio name  postage     change function     x000D    if    this  val       Yes     x000D        appended  appendTo  body    x000D      else   x000D        appended  remove    x000D      x000D      x000D   lt script src  https   ajax googleapis com ajax libs jquery 2 1 1 jquery min js  gt  lt  script gt  x000D   lt label gt  x000D     lt input type  radio  id  postageyes  name  postage  value  Yes    gt Yes lt  label gt  x000D   lt label gt  x000D     lt input type  radio  id  postageno  name  postage  value  No    gt No lt  label gt  x000D   x000D   x000D    JS Fiddle demo   Also  if you only need to show content depending on which element is checked by the user  a slight update that will toggle visibility using an explicit show hide    x000D   x000D     caching a reference to the dependant conditional content  x000D  var conditionalContent       conditional    x000D         caching a reference to the group of inputs  since we re using that x000D         same group twice  x000D      group      input type radio  name postage     x000D   x000D     binding the change event-handler  x000D  group change function     x000D       toggling the visibility of the conditionalContent  which will x000D       be shown if the assessment returns true and hidden otherwise  x000D    conditionalContent toggle group filter   checked   val        Yes    x000D       triggering the change event on the group  to appropriately show hide x000D       the conditionalContent on page-load DOM-ready  x000D     change    x000D   lt script src  https   ajax googleapis com ajax libs jquery 2 1 1 jquery min js  gt  lt  script gt  x000D   lt label gt  x000D     lt input type  radio  id  postageyes  name  postage  value  Yes    gt Yes lt  label gt  x000D   lt label gt  x000D     lt input type  radio  id  postageno  name  postage  value  No    gt No lt  label gt  x000D   lt div id  conditional  gt  x000D     lt p gt This should only show when the  Yes  radio  amp lt input amp gt  element is checked  lt  p gt  x000D   lt  div gt  x000D   x000D   x000D    And  finally  using just CSS    x000D   x000D     setting the default of the conditionally-displayed content x000D  to hidden     x000D   conditional   x000D    display  none  x000D    x000D   x000D     if the  postageyes element is checked then the general sibling of x000D  that element  with the id of  conditional   will be shown     x000D   postageyes checked    conditional   x000D    display  block  x000D    x000D   lt  -- note that the  lt input gt  elements are now not wrapped in the  lt label gt  elements  x000D  in order that the  conditional element is a  subsequent  sibling of the radio x000D   lt input gt  elements  -- gt  x000D   lt input type  radio  id  postageyes  name  postage  value  Yes    gt  x000D   lt label for  postageyes  gt Yes lt  label gt  x000D   lt input type  radio  id  postageno  name  postage  value  No    gt  x000D   lt label for  postageno  gt No lt  label gt  x000D   lt div id  conditional  gt  x000D     lt p gt This should only show when the  Yes  radio  amp lt input amp gt  element is checked  lt  p gt  x000D   lt  div gt  x000D   x000D   x000D    JS Fiddle demo   References    CSS     checked selector  CSS Attribute-selectors  General sibling     combinator   jQuery    appendTo    attribute-equals selector  change     checked selector  filter    is     radio selector  remove    text    toggle    val

[jquery] Jquery If radio button is checked

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