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Variables

Variables in JavaScript are defined by using the var operator (short for variable), followed by the variable name, such as: var test = "hi"; In this example, the variable test is declared and given an initialization value of "hi" (a string). You can also define two or more variables using the same var statement: var test = "hi", test2 = "hola"; Variables using the same var statement don't have to be of the same type: var test = "hi", age = 25; variables in JavaScript do not require initialization: var test;