Login Register

blank?

blank?()

Instance Public methods

A string is blank if it's empty or contains whitespaces only:

''.blank?       # => true
'   '.blank?    # => true
"\t\n\r".blank? # => true
' blah '.blank? # => false

Unicode whitespace is supported:

"\u00a0".blank? # => true

@return [true, false]

Links:

https://github.com/rails/rails/blob/126dc47665c65cd129967cbd8a5926dddd0aa514/activesupport/lib/active_support/core_ext/object/blank.rb#L115

doc_ruby_on_rails

2015-06-20 00:00:00

Comments

Leave a Comment

Please login to continue.

Popular Articles

blank? blank?() Instance Public methods Returns true if relation is blank.

blank blank() Instance Public methods Blank the image; that is, set the entire image to have no data, so it will be displayed as transparent,

blank? blank?() Instance Public methods true is not blank: true.blank? # => false @return [false]

blank blank() Instance Public methods Blank the image; that is, set the entire image to have no data, so it will be displayed as transparent,

blank? blank?() Instance Public methods aliases empty? empty?