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); //falsecheck 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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