What's the best way in JavaScript to test if a given parameter is a square number?

Question

I created a function that will test to see if a given parameter is a square number.

Read about square numbers here: https://en.wikipedia.org/?title=Square_number

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Answer 1

I think that this one is a shorter and a cleaner option:

  var isSquare = function(n) {

  return Number.isInteger(Math.sqrt(n));
};

isSquare(25); //true

for even shorter and cleaner than that you could use:

var isSquare = n => Number.isInteger(Math.sqrt(n));

isSquare(25);//true