Is there a way to make the textblocks on my website increase in size or pop up when I scroll down to them? I've attempted to search for a solution online but have been unsuccessful in finding one.
Is there a way to make the textblocks on my website increase in size or pop up when I scroll down to them? I've attempted to search for a solution online but have been unsuccessful in finding one.
To effectively determine when the text block becomes visible, it is essential to utilize the IntersectionObserver API and then implement a CSS class accordingly.
Give this solution a try:
const targetElement = document.querySelector('.text-block-1');
const observer = new IntersectionObserver((entries) => {
if (entries[0].isIntersecting) {
targetElement.classList.add('show');
}
});
observer.observe(targetElement);
Next, apply the show class with desired styles:
.show { color: blue; font-size: 20px; }If you have multiple HTML elements sharing the same class, remember to use document.querySelectorAll and create a loop for observing all elements.
As the user scrolls down, this code will automatically increase the font size of text blocks to 24px.
window.addEventListener('scroll', function() {
var textBlock1 = document.getElementById('text-block-1');
var textBlock2 = document.getElementById('text-block-2');
// Determine the position of text blocks in relation to the viewport
var rect1 = textBlock1.getBoundingClientRect();
var rect2 = textBlock2.getBoundingClientRect();
// Check if text blocks are visible in the viewport
if (rect1.top < window.innerHeight && rect1.bottom > 0) {
textBlock1.style.fontSize = '24px';
}
if (rect2.top < window.innerHeight && rect2.bottom > 0) {
textBlock2.style.fontSize = '24px';
}
});
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