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var numList = [10,20,30]; console.log(numList[numList.length-1]
30
What does appendItem do?
adds an item to the end of a list
manage complexity in programs by giving a collection of data a name without referencing the specific details of the representation
data abstration
an individual value in a list that is assigned a unique index
Element
a common method for referencing the elements in a list or string using numbers
index
an ordered collection of elements
list
occurs when the ending condition will never evaluate to true
infinite loop
a repetitive portion of an algorithm which repeats a specified number of times or until a given condition is met
iteration
the process of accessing each item in a list one at a time
traversal
removeItem command (list, Index)
removes an item from the list at the specified index
insertItem (list, index, item)
inserts an item into a list at the specified index spot
the value passed to the parameter
Argument
a variable in a function definition. Used as a placeholder for values that will be passed through the function
Parameter
used to return the flow of control to the point where the procedure (also known as a function) was called and to return the value of expression
Return
