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JavaScript JavaScript Numbers Working with Numbers Doing Basic Math

Samuel Kleos
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Samuel Kleos
Front End Web Development Techdegree Student 13,728 Points
Posted by Samuel Kleos
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Samuel Kleos
Front End Web Development Techdegree Student 13,728 Points

Why use let when you can use const?

In the previous course ‘JavaScript Basics’, Guil used const to create and update a persons score.

Why does this guide not use const?

1 Answer

Steven Parker
Steven Parker
231,275 Points
Steven Parker
Steven Parker
231,275 Points

A const can only be used where the value will not change during the program. A line like score = score + 100; would cause an error if "score" was a const.