JavaScript 문자열을 반복하는 5가지 멋진 방법

let hello =  "World"

// first

Array.from(hello).map(i => console.log(i))

// second

for (let char of hello){
  console.log(char)
} 

// third

hello.split("").forEach(i => console.log(i))

// fourth

for (let i = 0; i < hello.length ; i++) {
  console.log(hello[i])
}

//  five advance 

function* iter(str) {
    let i = 0
    while(i < str.length) {
       yield str[i];
       i++
    }
}

for (let char of iter(hello)){
  console.log(char)
}