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JavaScript variables are containers for storing data values. In this tutorial, you'll learn how to declare variables and work with different data types.
Use let
for variables that will change, and const
for variables that won't change. Avoid using var
in modern JavaScript.
Now it's your turn! Complete the following tasks by declaring variables in the editor:
TAX_RATE
with value 0.07price
with value 25total
receipt
that combines text and variables like: "Total with tax: $[total]"Ask me anything about technology
What's the latest in quantum computing?
The latest breakthrough in quantum computing is IBM's 433-qubit Osprey processor, announced in November 2022. This represents a significant step toward practical quantum advantage.