ruby - How to add a disabled submit button in rails -

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i have submit button in form in ruby

f.submit btn_text, class: "btn btn-one mgt12 mgb12", id: "btn_id"

i want make button disabled ruby without using javascript

add disabled: true option.

f.submit btn_text,   class: "btn btn-one mgt12 mgb12",   id: "btn_id",   disabled: true

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