One interesting aspect of the CSS cursor property is its array of allowed values, ranging from url to grabbing.
My goal is to compile all these values (excluding url) into an array in JavaScript.
The real question is: how do I achieve this without hardcoding it? What if new values are added or old ones are removed?
Fetching this information from a documentation site like MDN seems excessive. Is there a more efficient way provided by the language itself?
Regrettably, the only option available is to manually code it or utilize web scraping techniques. JavaScript lacks an inherent function for this specific task.
It's worth noting that certain properties such as height, width, etc. can accommodate various values.
If you're unsure whether you're using PHP, here's a method to extract information from a webpage containing CSS properties. It's important to obtain permission from the site in order to avoid overloading their server with repeated accesses to property pages. The code below is limited to displaying only 10 results. While utilizing the "ob" functions may not be the most elegant solution, it gets the job done.
<?php
ini_set('max_execution_time', 600);
ob_end_clean();
ob_implicit_flush(true);
libxml_use_internal_errors(true);
function getValuesForElement($element) {
$valueArray = [];
try {
$dom = new DOMDocument();
$dom->preserveWhiteSpace = false;
$dom->loadHTMLFile('http://css-infos.net/property/' . $element);
$data = $dom->getElementsByTagName('code');
foreach($data as $css) {
$val = preg_replace("/\s+/S", "", $css->nodeValue);
if(!empty($val)) {
$valueArray[] = $val;
}
}
} catch(Exception $e) {
// Log error..
}
return $valueArray;
}
function getElements() {
try {
$i = 0;
$elementsArr = [];
$dom = new DOMDocument();
$dom->preserveWhiteSpace = false;
$dom->loadHTMLFile('http://css-infos.net/');
$data = $dom->getElementsByTagName('li');
foreach($data as $css) {
if($i === 10) {
break;
}
$nodeVal = $css->nodeValue;
if($nodeVal == "Webkit CSS properties") {
continue;
}
$elementsArr[$nodeVal] = getValuesForElement($nodeVal);
echo "getting <strong><em>".$nodeVal."</em></strong> values..\n";
$i++;
sleep(1);
}
} catch(Exception $e) {
// Log error..
}
print_r($elementsArr);
}
echo "<pre>";
getElements();
die();
?>
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