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| -rw-r--r-- | ruby.html.markdown | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/ruby.html.markdown b/ruby.html.markdown index 1883d1ad..800f0445 100644 --- a/ruby.html.markdown +++ b/ruby.html.markdown @@ -169,6 +169,9 @@ array[1..3] #=> [2, 3, 4] # Add to an array like this array << 6 #=> [1, 2, 3, 4, 5, 6] +# Check if an item exists in an array +array.include?(1) #=> true + # Hashes are Ruby's primary dictionary with keys/value pairs. # Hashes are denoted with curly braces: hash = { 'color' => 'green', 'number' => 5 } |