javascript is number an integer
Number.isInteger(value)
//returns a Boolean
javascript is number an integer
Number.isInteger(value)
//returns a Boolean
integer check in javascript
var a=Number.isInteger(5); //True
var b= Number.isInteger(01); //True
var c=Number.isInteger("10"); //False
console.log(a,b,c); //true true false
javascript check if a value is an int
// The Number.isInteger() checks to see if the passed value is an integer
// Returns true or false
Number.isInteger(2); //True
Number.isInteger(90); //True
Number.isInteger("37"); //False
Number.isInteger(false); //false
javascript check if a value is a integer number
Number.isInteger(123) //true
Number.isInteger(-123) //true
Number.isInteger(5-2) //true
Number.isInteger(0) //true
Number.isInteger(0.5) //false
Number.isInteger('123') //false
Number.isInteger(false) //false
Number.isInteger(Infinity) //false
Number.isInteger(-Infinity) //false
Number.isInteger(0 / 0) //false
js is variable int
// 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")
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