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$a = '<span style="font-size:18px"><span style="color:#FF0000">Apollo 11 was the spaceflight that <span style="font-family:courier new,courier,monospace">landed the first humans</span></span><span style="font-family:courier new,courier,monospace">, Americans </span>Neil Armstrong and Buzz Aldrin, on the Moon on July 20, 1969, at 20:18 UTC. Armstrong became the first to step onto the lunar surface 6 hours later on July 21 at 02:56 UTC.</span>';
$dom = new DOMDocument;
$dom->loadHTML($a);
echo '<pre>';
function recurse($a, $i){
var_dump("$i -> " . $a->nodeName );
if( $a->nodeName != '#text' )
foreach( $a->childNodes as $t )
recurse($t, $i+1);
}
foreach( $dom->documentElement->childNodes as $i )
recurse($i, 0);<script>
function slideup(){
t = document.querySelector(".slide");
t.scrollTop -= t.offsetHeight;
}
function slidedown(){
t = document.querySelector(".slide");
t.scrollTop += t.offsetHeight;
}
</script>
<i class="icon icon-up" onclick="slideup()"></i>
<div class="slider" style="overflow-y: auto">
...
</div>
<i class="icon icon-down" onclick="slidedown()"></i>
