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Reassignment

A variable can be reassigned a new value at any time using the equal sign.
var color = 'red';
color = 'green';
The variable color is initialized with the value 'red'. Then it receives the value 'green'.

Exercise

Which value does x have after execution of the following code?
var x = 'Tic';
x = 'Tac';
x = 'Toe';
'Toe'