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Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. I wanted to write a program that calculates the sum of all digits of a number. I am not getting any output, the webpage is entirely blank. You forgot to remove the trailing part of the rest of the division, e.

Learn more. Asked 3 years, 8 months ago. Active 3 years, 2 months ago. Viewed 2k times. JRG 3, 3 3 gold badges 15 15 silver badges 31 31 bronze badges. You're not calling your function anywhere. Active Oldest Votes. RomanPerekhrest RomanPerekhrest You are not calling your function anyway. Without the Math. Sign up or log in Sign up using Google.

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Stack Overflow works best with JavaScript enabled.By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. I am getting the correct answer, I just don't fully understand the 2nd function, namely the while statement. Any help would be greatly appreciated. The modulo operator returns the single digit if the left hand side is smaller than the right which will happen for any 1-digit numberwhich is when the loop breaks:.

It does literally what you are trying to do, which is iterate over the digits of the number by converting it to a string. The while statement continually executes a block of statements while a particular condition is true. Its syntax can be expressed as:. The while statement evaluates expression, which must return a boolean value.

If the expression evaluates to true, the while statement executes the statement s in the while block. The while statement continues testing the expression and executing its block until the expression evaluates to false. The while loop here is extracting digits one by one from the actual number and adding those. Try to do each step manually and you will get it. Learn more. Asked 8 years, 8 months ago.

Active 3 years, 8 months ago. Viewed 24k times.

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I saw a bunch of other posts on this topic but none in javascript. Nic Meiring Nic Meiring 5 5 gold badges 15 15 silver badges 30 30 bronze badges.

JavaScript Program To Find Sum Of N Numbers

Active Oldest Votes. Blender Blender k 43 43 gold badges silver badges bronze badges. Not sure what you meant, In case you were asking about while loop. W Salil. W 1 1 gold badge 6 6 silver badges 15 15 bronze badges. The question was not about how while works, but about what the code inside the while was doing.Hi, Great. Tutorial is just awesome. It is really helpful for a newbie like me. I am a regular follower of your blog. Really very informative post you shared here.

Kindly keep blogging. If anyone wants to become a Front end developer learn from Javascript Training in Chennai. Nowadays JavaScript has tons of job opportunities on various vertical industry. JavaScript Training in Chennai. Why don't you add two while in series Its a small program So use output first as input in second.

Nope bro you have to use the Math. I hope I am helpful to anyone out there. Appreciating the persistence you put into your blog and detailed information you provide. Fantastic read. Thanks for visiting my Blog! Sum of Digits in JavaScript. Write a program to accept a no. Shubhechha Thursday, February 11, Unknown Wednesday, June 08, Mary Petter Monday, November 13, Unknown Friday, February 03, Unknown Monday, November 25, Bhavani Tuesday, July 30, Unknown Wednesday, March 11, Mahendra Saturday, April 25, Newer Post Older Post Home.

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Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. To change this template file, choose Tools Templates and open the template in the editor. A String.

Armstrong Number in JavaScript

If the user clicks "OK", the input value is returned. If the user clicks "cancel", null is returned. If the user clicks OK without entering any text, an empty string is returned. Use parseInt to parse an integer from of the inputs, or parseFloat to parse a floating point number. If you use parseIntit is a good practice to pass the radix base as 10 for decimal numbers.

Also, isNaN is another simple way to check if a value is Not a Number i. Learn more. How to sum 2 number value in javascript [duplicate] Ask Question. Asked 3 years, 9 months ago. Active 3 years, 9 months ago. Viewed 6k times. Active Oldest Votes. Noitidart Noitidart To understand the above behavior, try to go through return type of prompt : A String.

You can change your function become this: window. Yusuf Ibrahim Yusuf Ibrahim 1, 2 2 gold badges 17 17 silver badges 35 35 bronze badges. If radix is undefined or 0 or absentJavaScript assumes the following: If the input string begins with "0x" or "0X", radix is 16 hexadecimal and the remainder of the string is parsed.

If the input string begins with "0", radix is eight octal or 10 decimal. Exactly which radix is chosen is implementation-dependent. ECMAScript 5 specifies that 10 decimal is used, but not all browsers support this yet.

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For this reason always specify a radix when using parseInt. If the input string begins with any other value, the radix is 10 decimal. Shivkumar kondi Shivkumar kondi 4, 6 6 gold badges 27 27 silver badges 45 45 bronze badges. The Overflow Blog.

How to Find the Sum of an Array of Numbers in JavaScript

Podcast Ben answers his first question on Stack Overflow. The Overflow Bugs vs. Featured on Meta. Responding to the Lavender Letter and commitments moving forward. Visit chat. Linked Related An Armstrong number is a number whose sum of cubes of all the digits in it will be equal to itself. In general, it is also called a narcissistic number.

To check the number if it is Armstrong number or not, we will check the criteria or the property to be filled by that number. We can calculate the sum of all the digits raised to the power of n from the number and then compare this sum with the original number. If the sum and original matches then, we can say the number is Armstrong number. Generally, it is a common paradigm to use or used widely the cube or three as power n, but that applies to 3-digit numbers only.

This is because it is generally asked to check the 3-digit number if it is Armstrong or not.

sum of digits of a number in javascript

Which is not equal to the original number, therefore this number is not Armstrong number. There are only four 3-digit Armstrong numbers are there. In case of other powers than 3 the n will vary.

sum of digits of a number in javascript

In case of 4 digits the power will be 4. Here, we have generalized the formula to calculate the Armstrong number.

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First, we have found out the number of digits in the number entered by the user so that this can be used to find out the power. We have used a while loop to extract digits from the number one by one and process them. The same result can be achieved by using the for loop to find out the sum. In both cases, the logic to find out the Armstrong number will remain the same. This example is here to just showcase another way of implementation in JavaScript.

Here, for calculating the sum we have used for loop. We can iterate all the number of digits times till all the digits are processed. An Armstrong number is a number that is equal to the sum of its digits to the power of n where n is the number of digits. We can check if the number is Armstrong or not using the same logic.

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sum of digits of a number in javascript

Forgot Password? Call Our Course Advisors. Armstrong Number in JavaScript. Popular Course in this category.If I purchase it, it should be available in the cloud forever. Kind of hard to save storage space if you have to worry about a movie being removed from the Store.

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The best part about this thriving channel. Anyone can use it. When it comes to marketing on the Internet, content is king. That means no matter what type of small business you have, you need to focus on creating quality content for the right audience. Here are a few examples: Think of Instagram as a digital magazine. Meaning, you should be posting content that shares a similar style or vibe. This way you can stand out in the feed and Instagram users will instantly recognize you.

You can crop your images the same way, or use the same filter or color theme on all of your pictures. If you are just getting started, Instagram can be a great place to build and establish an ambiance for your biz. That might seem kind of obvious, but sounding and looking casual can sometimes take a lot of work. The important thing to remember is to find your voice and invite your customers to engage with you- trust us, keeping it real will go a long way.

This is where your soon to be BFF, hashtags, come into play. Instagram visitors can search for a hashtag to explore content within that subject. Ultimately, this allows new people to peruse your page without having to pay a single penny to get them there.

The power of hashtags can be all yours by adding them to the description of your picture. But before you get carried away there are some rules. Make sure they relate to your brand and do a little research, Hashtagify is a good place to start, think of them as the keywords of social media. Want to know which hashtags work best for your brand. Just try some and learn as you go. Everyone needs a little love in their day and your community is no exception.

Engaging with your followers can boost your level of interaction in a HUGE way. You may want to set a reminder for 30 minutes from the time you posted to take a second look for any comments and reply to your followers. Nurture your community and it will grow big and strong.You can pay for a review, but the rules state you cannot pay for a link.

It is a bit of a catch-22 with directories. You are unlikely to get into severe issues with directory links (in terms of penalties) if you avoid low-quality techniques to manipulate the SERPS (in the short-term). STICK to using your brand name or URL for your directory listing. Directories are a low-level link building opportunity. While a few links from a few select directories might be worth a listing, do not rely on directories as large part of your future marketing campaigns.

If you have very few links or a poor link profile, a few directories can be useful. Stick to higher quality directories. A log time ago (site-wide links are not really in fashion now) I used a very simple method to get 500 links from a PR 5 site with over 3000 links to it.

Yes, a real site. Looking at the SERPs I was interested in, I spotted an expired, suspended domain that was ranking for a term I cherished. The site was suspended and had been like that for the last six months. There was no content on the site, so I knew immediately it was the strength of the incoming back links alone that was keeping this high.

I ran the expired suspended domain through a back link checker, identified the most powerful links, contacted the site owners in question and explained to them:Not only did I get a friendly email thanking me for pointing out they had broken links on their site (broken links are never a good thing), I now have 500 new links on a real site pointing to my site.

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If you can see a win-win (something as simple as links in return for pointing out another site has broken links on it) jump on it. This process is called backlink reclamation. Do not buy any of these types of links, and I would AVOID like the plague any of these types of pages where you can spot obvious anchor text abuse, often to unrelated sites. The more relevant the page is to your business, the better.

Some of these types of pages do have incredible value.

sum of digits of a number in javascript

It is also perfectly natural to have some of these types of links in your link profile if you have a reputable site. Article syndication (for search engine optimisation purposes) is a big no-no for me in 2017. I still think the place for your articles should be on your blog, on the whole, to attract traffic and links, and to build your reputation as an authority. I once wrote an article that had a signature link back to my site, and while testing how well it had penetrated the SERPs and in how many instances, there was one trusted domain with the content republished, and THAT had attracted a link from a then PR 9 page on a very old trusted site.

I also found another couple of sites that were willing to link to that kind of content for future reference. Use sparingly and with GREAT caution. I avoid article submission sites these days. Google wants the secondary links (from buzz about the news in your press releases) to count toward your ranking, not the actual press release links.

Stay WELL AWAY from anchor text rich article marketing, press releases and advertorials.

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