text_area(オブジェクト名, メソッド名 [, HTML属性 or イベント属性])
f.text_area(メソッド名 [, オプション])
text_area :page, :comtent
# <textarea cols="40" id="page_content" name="page[content]" rows="20"></textarea>
text_area :page, :comtent
# <textarea cols="40" id="page_content" name="page[content]" rows="20">初期値</textarea>
text_area :page, :comtent, size: "20x10"
# <textarea cols="20" id="page_content" name="page[content]" rows="10"></textarea>
text_area :page, :comtent, maxlength: "20"
# <textarea cols="40" id="page_content" maxlength="20" name="page[content]" rows="20"></textarea>
text_area :page, :comtent, maxlength: "20"
# <textarea cols="40" disabled ="disabled" id="page_content" name="page[content]" rows="20"></textarea>
f.text_area :comtent
# <textarea cols="40" id="page_content" name="page[content]" rows="20"></textarea>
f.text_area :comtent
# <textarea cols="40" id="page_content" name="page[content]" rows="20">初期値</textarea>
f.text_area :comtent, size: "20x10"
# <textarea cols="20" id="page_content" name="page[content]" rows="10"></textarea>
f.text_area :comtent, maxlength: "20"
# <textarea cols="40" id="page_content" maxlength="20" name="p>ge[content]" rows="20"></textarea>
f.text_area :comtent, maxlength: "20"
# <textarea cols="40" disabled ="disabled" id="page_content" name="page[content]" rows="20"></textarea>