52 ms·

Fizz Buzz in CSS

110 points by froober 10mo ago

kevinsync 10mo ago
I love this, it's a very clever and funny way to solve the problem. Makes me think about how there are infinite routes from A to B, some more scenic and whimsical than others.. as well as all the people I've met along the way who would be so pissed and pedantic about how this isn't a "real solution" LOL
- deleted 10mo ago
  [deleted]
- hyperhello 10mo ago
  The problem is that you have to define the problem enough to avoid the fact that it's trivial to output the string "1,2,Fizz,4,Buzz,......" and fulfill the assignment. You can, in fact, output "$1,$2,Fizz,$4,Buzz,..." where $ is any prefix itself divisible by 15 (there are other templates for the other situations but it clearly does repeat endlessly.)
susam 10mo ago
A shorter solution is possible with an ordered list (<ol>) if we're willing to ignore the untidy output: li:nth-child(3n), li:nth-child(5n) { list-style: none } li:nth-child(3n)::before { content: "Fizz" } li:nth-child(5n)::after { content: "Buzz" } Example: https://susam.net/code/web/css-fizz-buzz-ol.html https://susam.net/code/web/css-fizz-buzz-ol.html $ curl -sS https://susam.net/code/web/css-fizz-buzz-ol.html | sed -n '/none/,/after/p' | tr -d '[:space:]' li:nth-child(3n),li:nth-child(5n){list-style:none}li:nth-child(3n)::before{content:"Fizz"}li:nth-child(5n)::after{content:"Buzz"} $ curl -sS https://susam.net/code/web/css-fizz-buzz-ol.html | sed -n '/none/,/after/p' | tr -d '[:space:]' | wc -c 129 But I don't quite like how misaligned the numbers and the words look in this version. Correcting that would call for extra code that would cancel out the characters saved.
- cluckindan 10mo ago
 list-style-position: inside;
 - susam 10mo ago
 Yes! However, like I mentioned in my previous comment, corrections like this cancel out the number of bytes saved with the <ol>-based solution. I mean, the solution in the original post is 152 characters long. The <ol> based solution is 129 characters long. Shorter but uglier. If we add your correction, we get neater output, which is nice, but it comes at the cost of 30 additional characters in the minified code thereby making the solution 159 characters long. li { list-style-position: inside } li:nth-child(3n), li:nth-child(5n) { list-style: none } li:nth-child(3n)::before { content: "Fizz" } li:nth-child(5n)::after { content: "Buzz" }
- deleted 10mo ago
 [deleted]
carl_dr 10mo ago
Ignoring the size of the HTML in addition to the CSS, it’s fun, but not really fair when talking about code golf. Beyond a few numbers, you need to include some JavaScript and generating a million list elements. But those bytes count …
graiz 10mo ago
145 using P instead of li. <style> p{counter-increment:n} p:not(:nth-child(5n)):before{content:counter(n)} p:nth-child(3n):before{content:"Fizz"} p:nth-child(5n):after{content:"Buzz"} </style>
- rebane2001 10mo ago
 im not sure how you counted that as 145, but here's 137 for the css <style>p{--n:counter(n);counter-increment:n;&:before{content:var(--n)};&:nth-child(5n){--n:"";&:after{content:"Buzz"}}&:nth-child(3n){--n:"Fizz"</style>
dsmmcken 10mo ago
144, using css variables, with fallback and p instead of li https://codepen.io/dsmmcken/pen/WbwYOEQ?editors=0100 https://codepen.io/dsmmcken/pen/WbwYOEQ?editors=0100 p{counter-increment:n;--n:counter(n)}p:nth-child(3n){--f:"Fizz"}p:nth-child(5n){--b:"Buzz";--n:''}p::after{content:var(--f,var(--n))var(--b,'')}
genezeta 10mo ago
To nitpick a bit, I'd say there is something that is "placed outside the stylesheet". Now, arguably it's not a "number or word that appears in the output", that's true, but it is a part of the logic of FizzBuzz. It's the fact that there are 100 and exactly 100 <li> elements in the HTML part. I mean, it wouldn't be a correct FizzBuzz without precisely that HTML. Having exactly 100 <li> elements is implementing the part of the logic that a. loops, and b. stops at 100. But of course this is just nitpicking, as I said ;)
- culi 10mo ago
 HTML is just the runtime of CSS
Metaboat 10mo ago
104 :nth-child(3n){list-style:"Fizz"}:nth-child(5n){list-style:"Buzz"}:nth-child(15n){list-style:"FizzBuzz"} data:text/html,<style>:nth-child(3n){list-style:"Fizz"}:nth-child(5n){list-style:"Buzz"}:nth-child(15n){list-style:"FizzBuzz"}</style><ol id=o><script>o.innerHTML='<li>'.repeat(99)</script>
- Metaboat 10mo ago
 103 :nth-child(3n){list-style:"Fizz"}:nth-child(5n){list-style:"Buzz"}:nth-child(15n){list-style:"FizzBuzz"
 - Metaboat 10mo ago
 98 :nth-child(5n){list-style:""}:nth-child(3n){list-style:"Fizz"}:nth-child(5n)::after{content:"Buzz"
 - Metaboat 10mo ago
 95 :nth-child(5n){list-style:}:nth-child(3n){list-style:"Fizz"}:nth-child(5n)::after{content:"Buzz
 - Metaboat 10mo ago
 68 :nth-child(3n){list-style:"Fizz"}:nth-child(5n)::after{content:"Buzz
 eurleif 10mo ago
 67 :nth-child(3n){list-style:"Fizz"}:nth-child(5n):after{content:"Buzz
 Metaboat 10mo ago
 thank you sir! i can improve the html op css was 152, we have the whole page at 144 data:text/html,<ol id=o><script>o.innerHTML='<li>'.repeat(100)</script><style>:nth-child(3n){list-style:"Fizz"}:nth-child(5n):after{content:"Buzz
smrq 9mo ago
Am I the only one here who's never seen CSS counters before? Interesting feature, what are they useful for practically?

110 points by froober 10mo ago

I love this, it's a very clever and funny way to solve the problem. Makes me think about how there are infinite routes from A to B, some more scenic and whimsical than others.. as well as all the people I've met along the way who would be so pissed and pedantic about how this isn't a "real solution" LOL

deleted 10mo ago
[deleted]
hyperhello 10mo ago
The problem is that you have to define the problem enough to avoid the fact that it's trivial to output the string "1,2,Fizz,4,Buzz,......" and fulfill the assignment. You can, in fact, output "$1,$2,Fizz,$4,Buzz,..." where $ is any prefix itself divisible by 15 (there are other templates for the other situations but it clearly does repeat endlessly.)

susam 10mo ago

A shorter solution is possible with an ordered list (<ol>) if we're willing to ignore the untidy output: li:nth-child(3n), li:nth-child(5n) { list-style: none } li:nth-child(3n)::before { content: "Fizz" } li:nth-child(5n)::after { content: "Buzz" } Example: https://susam.net/code/web/css-fizz-buzz-ol.html https://susam.net/code/web/css-fizz-buzz-ol.html $ curl -sS https://susam.net/code/web/css-fizz-buzz-ol.html | sed -n '/none/,/after/p' | tr -d '[:space:]' li:nth-child(3n),li:nth-child(5n){list-style:none}li:nth-child(3n)::before{content:"Fizz"}li:nth-child(5n)::after{content:"Buzz"} $ curl -sS https://susam.net/code/web/css-fizz-buzz-ol.html | sed -n '/none/,/after/p' | tr -d '[:space:]' | wc -c 129 But I don't quite like how misaligned the numbers and the words look in this version. Correcting that would call for extra code that would cancel out the characters saved.

cluckindan 10mo ago
list-style-position: inside;
- susam 10mo ago
 Yes! However, like I mentioned in my previous comment, corrections like this cancel out the number of bytes saved with the <ol>-based solution. I mean, the solution in the original post is 152 characters long. The <ol> based solution is 129 characters long. Shorter but uglier. If we add your correction, we get neater output, which is nice, but it comes at the cost of 30 additional characters in the minified code thereby making the solution 159 characters long. li { list-style-position: inside } li:nth-child(3n), li:nth-child(5n) { list-style: none } li:nth-child(3n)::before { content: "Fizz" } li:nth-child(5n)::after { content: "Buzz" }
deleted 10mo ago
[deleted]

carl_dr 10mo ago

Ignoring the size of the HTML in addition to the CSS, it’s fun, but not really fair when talking about code golf. Beyond a few numbers, you need to include some JavaScript and generating a million list elements. But those bytes count …

graiz 10mo ago

145 using P instead of li. <style> p{counter-increment:n} p:not(:nth-child(5n)):before{content:counter(n)} p:nth-child(3n):before{content:"Fizz"} p:nth-child(5n):after{content:"Buzz"} </style>

rebane2001 10mo ago
im not sure how you counted that as 145, but here's 137 for the css <style>p{--n:counter(n);counter-increment:n;&:before{content:var(--n)};&:nth-child(5n){--n:"";&:after{content:"Buzz"}}&:nth-child(3n){--n:"Fizz"</style>

dsmmcken 10mo ago

144, using css variables, with fallback and p instead of li https://codepen.io/dsmmcken/pen/WbwYOEQ?editors=0100 https://codepen.io/dsmmcken/pen/WbwYOEQ?editors=0100 p{counter-increment:n;--n:counter(n)}p:nth-child(3n){--f:"Fizz"}p:nth-child(5n){--b:"Buzz";--n:''}p::after{content:var(--f,var(--n))var(--b,'')}

genezeta 10mo ago

To nitpick a bit, I'd say there is something that is "placed outside the stylesheet". Now, arguably it's not a "number or word that appears in the output", that's true, but it is a part of the logic of FizzBuzz. It's the fact that there are 100 and exactly 100 <li> elements in the HTML part. I mean, it wouldn't be a correct FizzBuzz without precisely that HTML. Having exactly 100 <li> elements is implementing the part of the logic that a. loops, and b. stops at 100. But of course this is just nitpicking, as I said ;)

culi 10mo ago
HTML is just the runtime of CSS

Metaboat 10mo ago

104 :nth-child(3n){list-style:"Fizz"}:nth-child(5n){list-style:"Buzz"}:nth-child(15n){list-style:"FizzBuzz"} data:text/html,<style>:nth-child(3n){list-style:"Fizz"}:nth-child(5n){list-style:"Buzz"}:nth-child(15n){list-style:"FizzBuzz"}</style><ol id=o><script>o.innerHTML='<li>'.repeat(99)</script>

Metaboat 10mo ago
103 :nth-child(3n){list-style:"Fizz"}:nth-child(5n){list-style:"Buzz"}:nth-child(15n){list-style:"FizzBuzz"
- Metaboat 10mo ago
 98 :nth-child(5n){list-style:""}:nth-child(3n){list-style:"Fizz"}:nth-child(5n)::after{content:"Buzz"
 - Metaboat 10mo ago
 95 :nth-child(5n){list-style:}:nth-child(3n){list-style:"Fizz"}:nth-child(5n)::after{content:"Buzz
 - Metaboat 10mo ago
 68 :nth-child(3n){list-style:"Fizz"}:nth-child(5n)::after{content:"Buzz
 - eurleif 10mo ago
 67 :nth-child(3n){list-style:"Fizz"}:nth-child(5n):after{content:"Buzz
 Metaboat 10mo ago
 thank you sir! i can improve the html op css was 152, we have the whole page at 144 data:text/html,<ol id=o><script>o.innerHTML='<li>'.repeat(100)</script><style>:nth-child(3n){list-style:"Fizz"}:nth-child(5n):after{content:"Buzz

smrq 9mo ago

Am I the only one here who's never seen CSS counters before? Interesting feature, what are they useful for practically?