Functions can be defined inside other functions:
const test = function() {
const dosomething = function() {
/* do something */
}
dosomething()
return "test"
}
Arrow functions can contain other arrow function, or also regular functions. You can mix them:
const test = () => {
const dosomething = () => {}
dosomething()
return "test"
}
The nested function cannot be called from the outside of the enclosing function. Just from inside it.
Lessons in this unit:
0: | Introduction |
1: | Function parameters |
2: | Returning values from a function |
3: | Arrow functions |
4: | ▶︎ Nesting functions |
5: | Immediately-invoked functions |
6: | Recursive functions |
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