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57 lines
1.3 KiB
57 lines
1.3 KiB
3 years ago
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## Smooth Operator
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### Math Operators
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They are other operators than assignation, for now let's focus on the one you
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probably already know:
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- `+` Addition
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- `-` Substraction
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- `/` Division
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- `*` Multiplication
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Those operators are used the same way we would write them in math:
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```js
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console.log(5 + 7) // -> 12
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console.log(5 * 5) // -> 25
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console.log(7 - 5) // -> 2
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console.log(9 / 3) // -> 3
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```
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Operators are evaluated using classic priority:
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```js
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console.log(1 + 5 * 10) // -> 51
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```
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you can use parens `()` to enforce priority:
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```js
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console.log((1 + 5) * 10) // -> 60
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```
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And they are resulting in a value, as such they can be assigned to variables:
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```js
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let halfMyAge = 33 / 2
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let twiceMyAge = 33 * 2
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```
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### Instructions
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Your code must use the given variable `smooth` as our initial value
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You will declare a few variables:
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- `lessSmooth` that is just `1` less than `smooth`
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- `semiSmooth` that is the half the amount of `smooth` _(it's still pretty
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smooth)_
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- `plus11` that is `smooth` plus `11`
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- `ultraSmooth` that is the square of smooth _(now that's smooth !)_
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> BGM:
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> [Sade - Smooth Operator - Official - 1984](https://www.youtube.com/watch?v=4TYv2PhG89A)
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