/*
Write a function named numbers that returns true if all the parameters it is passed are numbers. Otherwise, the function should return false. The function should accept any number of parameters.
*/
function numbers() {
if (arguments.length === 0 || arguments[0] === null) return false;
for (var i in arguments) {
if (typeof arguments[i] === 'string') return false;
}
return true;
}
console.log(numbers(1, 4, 3, 2, 5)); // true
console.log(numbers(1, "a", 3)); // false
console.log(numbers()); // false
Please Whitelist JSFiddle in your content blocker.
Help keep JSFiddle free for always by one of two ways:
Whitelist JSFiddle in your content blocker (two clicks)
Go PRO and get access to additional PRO features →
Join the 4+ million users, and keep the JSFiddle dream alive.
Ad-free
All ads in the editor and listing pages are turned completely off.
Use pre-released features
You get to try and use features (like the Palette Color Generator) months before everyone else.
Fiddle collections
Sort and categorize your Fiddles into multiple collections.
Private collections and fiddles
You can make as many Private Fiddles, and Private Collections as you wish!
Console
Debug your Fiddle with a minimal built-in JavaScript console.