I want an extra attribute just like \"Placeholder\" is passing from ui select match. I want to set maxlength of select input. I can set it through select.min.js adding attribute
As per my understanding, you are using ui-select with tagging (as combo-box).
in this to achieve your desired functionality:
go to ui-select plugin.js and edit the template "select2/select.tpl.html" (for theme select2):
ng-attr-maxlength="{{$select.tagging.isActivated ? 50 : ''}}"
add the above line to template as shown here:
if you want to restrict input search itself then directly add maxlength attribute:
Hope this helps. :-)