JavaScript jest liczbą liczbą całkowitą
Number.isInteger(value)
//returns a Boolean
Mushy Mockingbird
Number.isInteger(value)
//returns a Booleanlet testString="5";
if(Number.isInteger(parseFloat(testString))){
console.log("we are a int of some sort");
} // The === operator is used for checking
// the value and the type of a variable
var data = 1;
if (data === parseInt(data, 10))
alert("data is integer")
else
alert("data is not an integer")