# javascript

javascript

## How to find the sign of a number in JavaScript

Finding the sign of a number is pretty easy in JavaScript. JavaScript provides us one inbuilt method to do that. Just call that method and it will tell you the sign. You don't have to write any separate methods for that. In this tutorial, I will quickly show you how to do that with one example.

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## JavaScript logarithmic functions

JavaScript Math is a built-in object that has different mathematical constants and functions. It has a couple of different functions and constants. In this post, I will show you all the logarithmic functions with examples.

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## JavaScript program to find if a number is prime or not

A number is called prime if that number is divisible by 1 and the number itself. For example, 2, 3, 5, 7 etc. are prime numbers. In this post, I will show you how to check if a number is prime or not in JavaScript with examples.

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## JavaScript program to check if a number is multiple of 3 without using modulo

In this post, I will show you three different ways to check if a number is divisible by 3 or not without using the modulo % operator. For each example, we will use one for loop to iterate from 0 to 30 and print out the numbers those are divisible by 3. It will be a good way to test the methods. modulo

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## Different ways in JavaScript to check for palindrome

A palindrome is a sequence of characters that is the same as backward and forward. For example, rotor, level are palindrome strings.

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## JavaScript program to find years with first January Sunday

In this JavaScript tutorial, we will learn how to find out if the first January is Sunday or not between two years. This is a beginner level JavaScript problem. You will learn how to check if a day is Sunday or not using Date class in JavaScript and how to use a for loop.

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## Find out the largest Date in a JavaScript array

Our problem is to find out the largest Date in a JavaScript array of dates. We will create one array of Date objects and then find out the largest among them.

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## JavaScript program to find out the largest of three numbers

We can use different ways to find the largest among the three numbers in JavaScript. We can either use extra variables to find the largest or we can directly find without using any extra variables. In this blog post, I will show you different ways to find out the largest of three numbers in JavaScript. Try to go through the programs and drop one comment below if you have any queries.

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## JavaScript program to find the element with highest occurrence in an array

In this tutorial, we will learn how to find the highest occurrence elements from an array in JavaScript. I will show you three different ways to solve this problem. Go through the examples and drop one comment below if you have any queries. array