← Back to challenges

Is the String Empty?

JavaScriptMediumstringsvalidationlanguage_fundamentals

Instructions

Create a function that returns true if a string is empty and false otherwise.

Examples

isEmpty("") ➞ true

isEmpty(" ") ➞ false

isEmpty("a") ➞ false

Notes

  • A string containing only whitespaces " " does not count as empty.
  • Don't forget to return the result.
  • If you get stuck on a challenge, find help in the Resources tab.
  • If you're really stuck, unlock solutions in the Solutions tab.
javascript
Loading editor…
to run
Walks through the solution with reasoning and edge cases.
Next: Check if an Integer is Divisible By Five