The Number isInteger() method
Find out all about the JavaScript isInteger() method of the Number object
Returns true if the passed value is an integer. Anything else, booleans, strings, objects, arrays, returns false:
Number.isInteger(1) //true
Number.isInteger(-237) //true
Number.isInteger(0) //true
Number.isInteger(0.2) //false
Number.isInteger('Flavio') //false
Number.isInteger(true) //false
Number.isInteger({}) //false
Number.isInteger([1, 2, 3]) //false
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