Check if the given string contains any whitespace characters

Use RegExp.prototype.test() with an appropriate regular expression to check if the given string contains any whitespace characters.

const containsWhitespace = str => /\s/.test(str);

// EXAMPLE
containsWhitespace('lorem'); // false
containsWhitespace('lorem ipsum'); // true

Source

https://www.30secondsofcode.org/js/s/contains-whitespace