javascript is number an integer
Number.isInteger(value)
//returns a Booleanjavascript is number an integer
Number.isInteger(value)
//returns a Booleanjavascript check if number
// The first 2 Variations return a Boolean
// They just work the opposite way around
// IsInteger
if (Number.isInteger(val)) {
// It is indeed a number
}
// isNaN (is not a number)
if (isNaN(val)) {
// It is not a number
}
// Another option is typeof which return a string
if (typeof(val) === 'number') {
// Guess what, it's a bloody number!
}js is number
Number.isInteger(value)javascript check if variable is number
function isNumber(n) {
return !isNaN(parseFloat(n)) && !isNaN(n - 0);
}Copyright © 2021 Codeinu
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