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JS Variables
JS Operators
JS Data Types
JS Functions
JS Objects
JS Events
JS Strings
JS String Methods
JS Arrays
JS Array Methods
JS Array Sort
JS Dates
JS Math
JS Comparisons
JS Conditions
JS Switch
JS For Loops
JS While Loops
JS Break Loops
JS HTML DOM
Create a variable, named z, assigning x + y to it. Then, show the result in an alert box.
