Update Purity code examples to use interpolation

Also, add in the missing argument to `greet` in the changing-global-state example code.
This commit is contained in:
Alex LaFroscia 2016-10-25 18:22:00 -07:00 committed by GitHub
parent ff29eb4abd
commit f55916cac0

View file

@ -179,7 +179,7 @@ A function is pure if the return value is only determined by its
input values, and does not produce side effects.
```js
const greet = (name) => 'Hi, ' + name
const greet = (name) => `Hi, ${name}`
greet('Brianne') // 'Hi, Brianne'
```
@ -189,9 +189,7 @@ As opposed to each of the following:
```js
window.name = 'Brianne'
const greet = () => {
return 'Hi, ' + window.name
}
const greet = () => `Hi, ${window.name}`
greet() // "Hi, Brianne"
```
@ -202,10 +200,10 @@ The above example's output is based on data stored outside of the function...
let greeting
const greet = (name) => {
greeting = 'Hi, ' + name
greeting = `Hi, ${name}`
}
greet()
greet('Brianne')
greeting // "Hi, Brianne"
```