JS Practice — Built-in Objects

String.prototype.split() — no separator returns whole string in array

📖 Usage Example

'a,b,c'.split(',')    // → ['a', 'b', 'c']
'hello'.split('')     // → ['h', 'e', 'l', 'l', 'o']
'hi'.split()          // → ['hi']

Use split() to divide a string into an array of substrings at each occurrence of the separator.

String.prototype.split() — No Separator

Calling .split() without arguments returns the whole string wrapped in an array.

Challenge: Implement wrapInArray(str) that returns [str] using split().

wrapInArray('hello') // → ['hello']

💡 Hints (1)

• `str.split()` with no argument returns `[str]` — the whole string as a single element.