Difference between pages "Module:Example" and "Module:Example/sandbox"

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                     --Such variables can have whatever name you want and may  
 
                     --Such variables can have whatever name you want and may  
 
                     --also contain various data as well as functions.
 
                     --also contain various data as well as functions.
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p.hello = function( frame )    --Add a function to "p".   
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p.hello = function( frame )    --Add a function to "my_object".   
 
                                         --Such functions are callable in Wikipedia
 
                                         --Such functions are callable in Wikipedia
 
                                         --via the #invoke command.
 
                                         --via the #invoke command.
 
                                         --"frame" will contain the data that Wikipedia
 
                                         --"frame" will contain the data that Wikipedia
 
                                         --sends this function when it runs.  
 
                                         --sends this function when it runs.  
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                                -- 'Hello' is a name of your choice. The same name needs to be referred to when the module is used.
 
 
      
 
      
 
     local str = "Hello World!"  --Declare a local variable and set it equal to
 
     local str = "Hello World!"  --Declare a local variable and set it equal to
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  -- Like above, concatenate a bunch of strings together to produce
 
  -- Like above, concatenate a bunch of strings together to produce
 
  -- a sentence based on the arguments given.
 
  -- a sentence based on the arguments given.
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end
 
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local function lucky(a, b) -- One can define custom functions for use. Here we define a function 'lucky' that has two inputs a and b. The names are of your choice.
 
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if b == 'yeah' then -- Condition: if b is the string 'yeah'. Strings require quotes. Remember to include 'then'.
 
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return a .. ' is my lucky number.' -- Outputs 'a is my lucky number.' if the above condition is met. The string concatenation operator is denoted by 2 dots.
 
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else -- If no conditions are met, i.e. if b is anything else, output specified on the next line.  'else' should not have 'then'.
 
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return a -- Simply output a.
 
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end -- The 'if' section should end with 'end'.
 
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end -- As should 'function'.
 
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function p.Name2(frame)
 
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-- The next five lines are mostly for convenience only and can be used as is for your module. The output conditions start on line 20.
 
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local pf = frame:getParent().args -- This line allows template parameters to be used in this code easily. The equal sign is used to define variables. 'pf' can be replaced with a word of your choice.
 
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local f = frame.args -- This line allows parameters from {{#invoke:}} to be used easily. 'f' can be replaced with a word of your choice.
 
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local M = f[1] or pf[1] -- f[1] and pf[1], which we just defined, refer to the first parameter. This line shortens them as 'M' for convenience. You could use the original variable names.
 
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local m = f[2] or pf[2] -- Second shortened as 'm'.
 
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local l = f.lucky or pf.lucky -- A named parameter 'lucky' is shortend as l. Note that the syntax is different from unnamed parameters.
 
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if m == nil then -- If the second parameter is not used.
 
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return 'Lonely' -- Outputs the string 'Lonely' if the first condition is met.
 
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elseif M > m then -- If the first condition is not met, this line tests a second condition: if M is greater than m.
 
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return lucky(M - m, l) -- If the condition is met, the difference is calculated and passed to the the self defined function along with l. The output depends on whether l is set to 'yeah'.
 
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else
 
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return 'Be positive!'
 
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end
 
 
end
 
end
  
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