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Integers in javascript?

How to define integers in js for e.g. to add a particular no. to 1 or 2 ,etc.

12/29/2017 7:22:58 AM

R I S H A B H

3 Answers

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+2

Javascript is a dynamically typed language. That means that you, as a developer, don't have to use specific datatypes to declare a variable. Instead, all variables are created with 'var'. That means it's possible to add a 1 like this: var x = 3; x = x + 1; If you want to make sure that x stores an integer, there are numerous helpful methods (e.g. Number.isInteger()). You could also use HTML forms to make sure that only numbers can be typed.

+11

var num = 1 alert(num+1) ? AFAIK, JavaScript numbers are always 64-bit floating point values.

0

Ty guys...