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Check if a value is an image object (image.is)

Declaration​

is_image = image.is(value)

Parameters​

  • value
    The value to test whether it is an image object

Returns​

  • is_image
    Boolean. Returns true if the value is an image object; otherwise false

Description​

Determine whether a value is an image object

Example​

if image.is(img) then
    -- img is an image object
else
    -- img is not an image object
end