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showing results for - "javascript check if a value is a integer number"
Alonzo
17 Feb 2016
1Number.isInteger(value)
2
3//returns a Boolean
source
Robin
30 Mar 2016
1// The Number.isInteger() checks to see if the passed value is an integer
2// Returns true or false
3
4Number.isInteger(2); //True
5Number.isInteger(90); //True
6Number.isInteger("37"); //False
7Number.isInteger(false); //false
Paola
19 Nov 2019
1function isInt(str) {
2  return !isNaN(str) && Number.isInteger(parseFloat(str));
3}
Alberto
15 Sep 2018
1Number.isInteger(123) //true
2Number.isInteger(-123) //true
3Number.isInteger(5-2) //true
4Number.isInteger(0) //true
5Number.isInteger(0.5) //false
6Number.isInteger('123') //false
7Number.isInteger(false) //false
8Number.isInteger(Infinity) //false
9Number.isInteger(-Infinity) //false
10Number.isInteger(0 / 0) //false
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