Unit 24: Vocabulary

Please study the 20 vocabulary terms below. Then press the Mark Complete button to continue.
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argument
a value passed to a function when it is called
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Value1 and value2 are both arguments in the expression sum(value1, value2).
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array
a data structure such as a variable that holds other variables in a particular order; for example: $a = ($b, $c, $d)
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The programmer decided to store all her variables in an array, so she could loop through them and perform a callback function.
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callback
code that is passed as an argument to other code
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Programmers use callbacks in tedious situations such as asynchronous programming or running an array of values through a function designed to take a string.

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