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)check if input is a number javascript
// Another option is typeof which return a string
if (typeof(val) === 'number') {
// Guess what, it's a bloody number!
}check if a variable is a number in javascript
// as test cases we have two variables of which 1 is a number and the second one is a string
let x = 7;
let y = "hello"
let result1 = !Number.isNaN(x) // true
let result2 = !Number.isNaN(y) // flaseCopyright © 2021 Codeinu
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