I came across a problem of converting a char value to a number when I was working with Javascript. The interesting thing was that the solution just wasn’t as obvious as I initially thought. In this post, I will talk about how I solved the problem to check a string is numeric in ...
Here, we are going to learn how to check whether a given number is palindrome or not in JavaScript.
Determining the sign of a number is super easy now with ES6's Math.sign! It will indicate whether the number is positive, negative or zero...
Enter a number: 5 The number is odd. Also Read: Javascript Program to Check if a number is Positive, Negative, or Zero JavaScript Program to Check if a Number is Float or IntegerBefore we wrap up, let’s put your knowledge of Javascript Program to Check if a Number is Odd or Even...
In this JavaScript code, we are going to check whether a given number is perfect number or not.
In the given problem statement we have to find that the string is a palindrome and the string should also have punctuation and write code with the help of Javascript functionalities. Here we will learn two methods to determine if a string is a palindrome in JavaScript while handling punctuation...
The following code shows how to use isNan to check if a value is a number. Example <!DOCTYPEhtml>document.writeln(isNaN("blue"));document.writeln(isNaN("123"));<!--www.java2s.com--> Click to view the demo The code above generates the following result. Next » «...
JavaScript Code: // Define a function to check if a number is a power of fourconstPower_of_four=(n)=>{// Check if the input is not a numberif(typeofn!="number"){return'It must be number!'// Return an error message}// Check if the number is not zero, is a power of two,...
Ensuring that JavaScript files can pass ES Check is important in amodular and bundledworld. Read more aboutwhy. Version 9 🎉 ES Checkversion 9 is a major release update that can enforce more ES version specific features checks, implements initial browserslist integration, basic (naive) polyfill...
JavaScript Code: // Define a function 'isEven' that checks if a number 'num' is evenconstisEven=num=>num%2===0;// Test cases to check if numbers are evenconsole.log(isEven(3));// false (3 is not even)console.log(isEven(32));// true (32 is even)console.log(isEven(1));//...