RosettaCodeData/Task/Determine-if-a-string-is-numeric/CoffeeScript/determine-if-a-string-is-numeric.coffee

3 lines
144 B
CoffeeScript
Raw Permalink Normal View History

2013-04-10 12:38:42 -07:00
console.log (isFinite(s) for s in [5, "5", "-5", "5", "5e5", 0]) # all true
console.log (isFinite(s) for s in [NaN, "fred", "###"]) # all false