Which HTML elements can receive focus

Question

I m looking for a definitive list of HTML elements which are allowed to take focus  i e  which elements will be put into focus when focus   is called on them   I m writing a jQuery extension which works on elements that can be brought into focus  I hope the answer to this question will allow me to be specific about the elements I target

User · Answer

focusable     a href       area href       button      details      input      iframe      select      textarea         these are actually case sensitive but i m not listing out all the possible variants     contentEditable           contentEditable  true         contentEditable  TRUE          tabindex  not  tabindex   -          not  disabled       I m creating a SCSS list of all focusable elements and I thought this might help someone due to this question s Google rank   A few things to note    I changed  not  tabindex  -1    to  not  tabindex   -    because it s perfectly plausible to generate -2 somehow  Better safe than sorry right  Adding  not  tabindex   -    to all the other focusable selectors is completely pointless  When using  tabindex  not  tabindex   -    it already includes all elements that you d be negating with  not  I included  not  disabled   because disabled elements can never be focusable  So again it s useless to add it to every single element

User · Answer

Maybe this one can help    x000D   x000D  function focus el   x000D   el focus    x000D   return el  document activeElement  x000D    x000D   x000D   x000D    return value  true   success  false   failed  Reff  https   developer mozilla org en-US docs Web API DocumentOrShadowRoot activeElement https   developer mozilla org en-US docs Web API HTMLElement focus

User · Answer

The ally js accessibility library provides an unofficial  test-based list here    https   allyjs io data-tables focusable html   NB  Their page doesn t say how often tests were performed

User · Answer

Here I have a CSS-selector based on bobince s answer to select any focusable HTML element     a href  not  tabindex  -1       area href  not  tabindex  -1       input not  disabled   not  tabindex  -1       select not  disabled   not  tabindex  -1       textarea not  disabled   not  tabindex  -1       button not  disabled   not  tabindex  -1       iframe not  tabindex  -1        tabindex  not  tabindex  -1        contentEditable true  not  tabindex  -1                 your CSS for focusable elements goes here          or a little more beautiful in SASS   a href   area href   input not  disabled    select not  disabled    textarea not  disabled    button not  disabled    iframe   tabindex    contentEditable true         amp  not  tabindex  -1                     your SCSS for focusable elements goes here              I ve added it as an answer  because that was  what I was looking for  when Google redirected me to this Stackoverflow question   EDIT  There is one more selector  which is focusable    contentEditable true    However  this is used very rarely

User · Answer

There isn t a definite list  it s up to the browser  The only standard we have is DOM Level 2 HTML  according to which the only elements that have a focus   method are HTMLInputElement  HTMLSelectElement  HTMLTextAreaElement and HTMLAnchorElement  This notably omits HTMLButtonElement and HTMLAreaElement  Today s browsers define focus   on HTMLElement  but an element won t actually take focus unless it s one of   HTMLAnchorElement HTMLAreaElement with an href HTMLInputElement HTMLSelectElement HTMLTextAreaElement HTMLButtonElement but not with disabled  IE actually gives you an error if you try   and file uploads have unusual behaviour for security reasons HTMLIFrameElement  though focusing it doesn t do anything useful   Other embedding elements also  maybe  I haven t tested them all  Any element with a tabindex  There are likely to be other subtle exceptions and additions to this behaviour depending on browser

[html] Which HTML elements can receive focus?

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