find all unchecked checkbox in jquery

Question

I have a list of checkboxes    lt input type  checkbox  name  answer  id  id 1  value  1    gt   lt input type  checkbox  name  answer  id  id 2  value  2    gt       lt input type  checkbox  name  answer  id  id n  value  n    gt    I can collect all the values of checked checkboxes  my question is how can get all the values of unchecked checkboxes  I tried       input unchecked   val      to get an unchecked checkbox s value  but I got       Syntax error  unrecognized expression  unchecked    can anybody shed a light on this issue  thank you

User · Answer

clscss-row   each function      if    this  find   po-checkbox   not   checked                        enter your code here

User · Answer

To select by class  you can do this      input className checkbox not  checked

User · Answer

Also it can be achieved with pure js in such a way   var matches   document querySelectorAll  input type  checkbox   not  checked

User · Answer

input type  checkbox   not  checked  not    chkAll      map function          var a           if  this name     chkAll            a   this name     off             return a      get   join      This will retrieve all unchecked checkboxes and exclude the  chkAll  checkbox that I use to check uncheck all checkboxes   Since I want to know what value I m passing to the database I set these to off  since the checkboxes give me a value of on     looking for unchecked checkboxes  but don   t include the checkbox all that checks or unchecks all checkboxes    map - Pass each element in the current matched set through a function  producing a new jQuery object containing the return values      get - Retrieve the DOM elements matched by the jQuery object     join -  javascript  joins the elements of an array into a string  and returns the string The elements will be separated by a specified separator  The default separator is comma

User · Answer

input checkbox not  checked    Will get you the unchecked boxes

User · Answer

As the error message states  jQuery does not include a  unchecked selector  Instead  you need to invert the  checked selector      input checkbox not  checked

User · Answer

You can use like this        checkbox not  checked

User · Answer

You can do so by extending jQuerys functionality  This will shorten the amount of text you have to write for the selector     extend   expr                 unchecked  function  obj                return   obj type     checkbox     obj type     radio    amp  amp     obj  is   checked                          You can then use    input unchecked   to get all checkboxes and radio buttons that are checked

[jquery] find all unchecked checkbox in jquery

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