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<!DOCTYPE html>
< html >
< head >
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< meta charset = "utf-8" >
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< meta name = "viewport" content = "width=device-width, initial-scale=1" >
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< title > Procedural HTML filters< / title >
< style >
.filters {
font-family: monospace;
white-space: pre;
}
.tests {
align-items: flex-start;
display: flex;
flex-wrap: wrap;
}
.tile {
display: inline-flex;
flex-direction: column;
margin: 0 20px 10px 0;
min-width: 200px;
}
.tile div {
align-items: center;
color: white;
display: flex;
justify-content: center;
}
.tile > div {
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height: 50px;
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position: relative;
}
.tile > div > div {
height: 100%;
left: 0;
position: absolute;
top: 0;
width: 100%;
}
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.tile > code {
align-self: center;
}
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.pass {
background-color: green;
}
.pass::before {
content: 'pass';
}
.fail {
background-color: red;
}
.fail::before {
content: 'fail';
}
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.tests a, .tests b {
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display: none;
}
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.tests a::before {
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opacity: 0;
}
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.tests b::after {
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opacity: 0;
}
< / style >
< / head >
< body >
< h1 > Procedural HTML filters< / h1 >
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< p > < a href = "./." > Back< / a >
< br > < br > < / p >
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< h3 > Filters< / h3 >
< div class = "filters" > < noscript > Enable JavaScript to see needed filters< / noscript > < / div >
< h3 > Tests< / h3 >
< div id = "phf" class = "tests" >
< div id = "a1" class = "tile" >
< div class = "pass" > < div class = "fail" > < a > < b > < / b > < / a > < / div > < / div >
< code > ^#phf #a1 .fail:has(b)< / code >
< / div >
< div id = "a2" class = "tile" >
< div class = "pass" > < div class = "fail" > < a > < b > < / b > < / a > < / div > < / div >
< code > ^#phf #a2 .fail:has(> a > b)< / code >
< / div >
< div id = "a3" class = "tile" >
< div class = "pass" > < div class = "fail" > < a > < b > < / b > < / a > < / div > < / div >
< code > ^#phf #a3 .fail:not(:has(c))< / code >
< / div >
< div id = "a4" class = "tile" >
< div class = "pass" > < div class = "fail" > < a > < b > I am a needle!!!< / b > < / a > < / div > < / div >
< code > ^#phf #a4 .fail:has-text(needle)< / code >
< / div >
< div id = "a5" class = "tile" >
< div class = "pass" > < div class = "fail" > < a > < b > I am a needle!!!< / b > < / a > < / div > < / div >
< code > ^#phf #a5 .fail:has-text(/NEEDLE/i)< / code >
< / div >
< div id = "a6" class = "tile" >
< div class = "pass" > < div class = "fail" > < a > < b > I am a needle!!!< / b > < / a > < / div > < / div >
< code > ^#phf #a6 .fail:not(:has-text(haystack))< / code >
< / div >
< div id = "a7" class = "tile" >
< div class = "pass" > < div class = "fail" > < a > < b > < / b > < / a > < / div > < / div >
< code > ^#phf #a7 .fail > a > b:nth-ancestor(2)< / code >
< / div >
< div id = "a8" class = "tile" >
< div class = "pass" > < div class = "fail" > < a > < b > < / b > < / a > < / div > < / div >
< code > ^#phf #a8:xpath(.//b/../..)< / code >
< / div >
< div id = "a9" class = "tile" >
< div class = "pass" > < div class = "fail" > < a > Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna< b > aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.< / b > Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur.< / a > < / div > < / div >
< code > ^#phf #a9 .fail:min-text-length(300)< / code >
< / div >
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< div id = "a10" class = "tile" >
< div class = "pass" > < a > < b > < / b > < / a > < div class = "fail" > < / div > < / div >
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< code > ^#phf #a10 .pass > a:has(b) + .fail< / code >
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< / div >
< div id = "a11" class = "tile" >
< div class = "pass" > < a > < b > < / b > < / a > < div class = "fail" > < a > < b > < / b > < / a > < / div > < / div >
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< code > ^#phf #a11 .pass > a:has(b) + .fail:has(b)< / code >
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< / div >
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< div id = "a12" class = "tile" >
< div class = "pass" > < div class = "fail" > < / div > < a > < / a > < b > < / b > < / div >
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< code > ^#phf #a12 .fail:has(+ a)< / code >
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< / div >
< div id = "a13" class = "tile" >
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< div class = "pass" > < div class = "fail" > < / div > < a > < b > < / b > < / a > < / div >
< code > ^#phf #a13 .fail:has(~ a:has(b))< / code >
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< / div >
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< div id = "a14" class = "tile" >
< div class = "pass" > < div class = "fail" > < a > < b > < / b > < / a > < / div > < / div >
< code > ^#phf #a14 b:upward(2)< / code >
< / div >
< div id = "a15" class = "tile" >
< div class = "pass" > < div class = "fail" > < a > < b > < / b > < / a > < / div > < / div >
< code > ^#phf #a15 b:upward(.fail)< / code >
< / div >
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< / div >
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< script >
const hostname = self.location.hostname;
const filters = [];
const fragment = document.createDocumentFragment();
for ( const node of document.querySelectorAll('code') ) {
const div = document.createElement('div');
div.textContent = `${hostname}##${node.textContent}`;
fragment.appendChild(div);
}
const parent = document.querySelector('.filters');
while ( parent.lastElementChild !== null ) {
parent.removeChild(parent.lastElementChild);
}
parent.appendChild(fragment);
< / script >
< / body >
< / html >
