????? ?? ?? ????? ?? ?? ? ?? ????? ????? ???? ?? ???? ?? ????? (?? ???? ??) ?? ?? ??? ? ??? ?? ?? ?? ??? ??????? ??? ??? ??? ????? ?????? ???? ???? ?????? ?? ? ??? ?? ??????.

HTML(? ? ?!!!)

HTML? ?? ?????. ?? ??? ????

?? ???

?? HTML(??? ??? ? ????. ???? ??

? ??????.):

<p>



<h2>
  
  
  The CSS
</h2>

<p>Now for the CSS. This part is easy. Copy the following code:<br>
</p>

<pre class="brush:php;toolbar:false">.animate-scroll {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animate-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

??? ?? ?? ???? ?? ???? .animate-scroll ???? ?????? ?????. ??? ?????? ??? ?????. ? ???? ??? ?? ????? ???? ?????? ?? ? ? ? ?? ?? ??????? ???????. ??? .animate-scroll.visible? ?????? ??? ? ??? ??? ?????. .animate-scroll? ???? ??? ???? ???. ?? ?? ??? ???? ?? size:100%; ??? ??. ??? ? ??? ???? ??? ?? ??? ????? ???? ?? ?? ???? ???.

??????

? ??? JavaScript? ?????:

document.addEventListener('DOMContentLoaded', () => {
    const elements = document.querySelectorAll('.animate-scroll');

    const observer = new IntersectionObserver((entries) => {
        entries.forEach(entry => {
            if (entry.isIntersecting) {
                entry.target.classList.add('visible');
            }
        });
    }, {
        threshold: 0.9
    });

    elements.forEach(element => {
        observer.observe(element);
    });
});

?! ??? ?? ???! ?? ???! ???? ??? ?????.
?? document.addEventListener('DOMContentLoaded', () =>? ???? ?????? ?????. ??? ?? "??"? ?????.
const elements = document.querySelectorAll('.animate-scroll'); ???? ????. HTML? CSS? ???? ???? ???? ?? ?????.
constobserver = new IntersectionObserver((entries) => { ??.forEach(entry => ?? ??? ???? ??? ?????. ??? ??? ?????? ???? ????.
if (entry.isIntersecting) {entry.target.classList.add('visible');} ?? ?????? ???? ?????. ???? CSS? .visible? ?????. ??? ?? ?? ???!
???: 0.9 ?????? ???? ?? ???? ??? ?? ??? ??? ?????. 0? ??? ???? ???? ?????. 1? ??? ??? ? 25%? ???? ?????. 2? 50% ??... ???? ???? ?? ???? ??? ?? ?????? ? ? ?? ??? ?? 0.9 ??? ???? ?? ????.
elements.forEach(element => {observer.observe(element); ??? ?? ??? ???? ? ????. ????? ? ??????. ???? ??????? ??? ?????.

?? ???...

? ??? ??? ??? ?? ??????? ?? ??? ??? ????.

HTML:

<p>



<p>CSS:<br>
</p>

<pre class="brush:php;toolbar:false">.animate-scroll {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animate-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

??????:

<p>



<h2>
  
  
  The CSS
</h2>

<p>Now for the CSS. This part is easy. Copy the following code:<br>
</p>

<pre class="brush:php;toolbar:false">.animate-scroll {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animate-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

?????! ?? ?? ?? ??? ??? ???? ????. ???? ??? ??? ? ?? ? ??? ??? ????? ??? ??? ?????. ???? ??? ?? ????!

????? ?????, ?????

? ??? JavaScript ? CSS? ??? ?????? ??? ??? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!