I tried applying the :maxlenght => 40 on a textarea on my form. But it didn't work out. Can we have a length limit on a textarea?

The code for text area is

<%= f.text_area :data,
                :rows => 2,
                :cols => 60 ,
                :maxlength => 140,
                :autocomplete => :off,
                :class => "textareabytes" %>
ruby-on-rails textarea
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