javascript - Unable to set focus to the next text box -


i have 3 text boxes class "initialbox".

the max length each box 1 character. when box has been filled 1 character, next box should set focus. (the exact same way using tab key work).

i added alert() in order check event if firing, , is, $(this).next('.initialbox').focus() doesn't set focus next tab. have tried using $(this).next.focus().

many thanks.

html:

<table style="width:100%;">     <tr>         <td style="width:33.3%">             <input type="text" class="initialbox" maxlength="1" size="1" id="firstinitial" />         </td>         <td style="width:33.3%">             <input type="text" class="initialbox" maxlength="1" size="1" id="secondinitial" />         </td>         <td style="width:33.3%">             <input type="text" class="initialbox" maxlength="1" size="1" id="thirdinitial" />         </td>     </tr>     <tr>         <td style="width:33.3%">1st initial</td>         <td style="width:33.3%">2nd initial</td>         <td style="width:33.3%">3rd initial</td>     </tr> </table>

jquery:

$(".initialbox").keyup(function () {     if (this.value.length == 1) {         alert();         $(this).next('.initialbox').focus();     } });

jsfiddle: http://jsfiddle.net/v9y51pds/1/

you can't use .next() markup, because .initialbox input elements aren't siblings.

you need traverse parent (closest()) <td>, along it's neighbour <td> , find .initialbox within:

$(".initialbox").keyup(function () {     if (this.value.length == 1) {         alert();         $(this).closest('td').next('td').find('.initialbox').focus();     } });

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