submit_tag(value = "Save changes", options = {}) public

Creates a submit button with the text value as the caption. If options contains a pair with the key of "disable_with", then the value will be used to rename a disabled version of the submit button.

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June 7, 2012 - (>= v3.2.3)
2 thanks

:disable_with is deprecated

Or you can use this way:

<%= submit_tag "Login", data: { disable_with: "Please wait.." } %>
June 5, 2012
1 thank

:disable_with is deprecated

Since version 3.2.5 you should not use :disable_with.

Use this:

<%= submit_tag "Login", 'data-disable-with' => "Please wait.." %>
January 14, 2015
0 thanks

Have submit_tag send value as a nested resource

To have the submit_tag send it’s value within a nested resource for strong params use the name paramter.

submit_tag("Send", name: 'article[submit]')