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Getting Started With ES2015

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Defining a Variable with let

2:48 with Andrew Chalkley

Using constants is are a best practice when assigning variables but what happens when you do actually want to reassign a value? That's where let comes in.

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    Let's take a look at a simple example. 0:00
    Open up let.html, and you can see we've got a score that equals 0, 0:01
    an age that equals 33, and a Boolean, isHungry, that equals false. 0:06
    Open up the preview, and navigate to let.html. 0:13
    Open up the Console, And let's try and modify the score. 0:20
    The score can change through a game, 0:27
    the score increments by one each time the player completes a challenge. 0:29

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