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index.js
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index.js
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const imageContainer = document.getElementById("image-container");
const loader = document.getElementById("loader");
let ready = false;
let imagesLoaded = 0;
let totalImages = 0;
let photosArray = [];
/// unsplash api
const count = 30;
const apiKey = "BmJxAzmwUkXMEKyV3Aw0PbyjK6t6inqL-3v9jYlgz_U";
const apiUrl = `https://api.unsplash.com/photos/random/?client_id=${apiKey}&count=${count}`;
function loadImg() {
imagesLoaded++;
if (imagesLoaded === totalImages) {
ready = true;
loader.hidden = true;
}
}
// displaying photos
function displayPhotos() {
imagesLoaded = 0;
totalImages = photosArray.length;
// running for eech object in array
photosArray.forEach((photo) => {
// creating a tag link to unsplash
const item = document.createElement("a");
item.setAttribute("href", photo.links.html);
item.setAttribute("target", "_blank");
const img = document.createElement("img");
img.setAttribute("src", photo.urls.regular);
img.setAttribute("alt", photo.alt_description);
img.setAttribute("title", photo.alt_description);
img.addEventListener("load", loadImg);
item.appendChild(img);
imageContainer.appendChild(item);
});
}
// get photos from unsplash
async function getPhotos() {
try {
const response = await fetch(apiUrl);
photosArray = await response.json();
displayPhotos();
} catch (err) {
console.log(err);
}
}
// scroll
window.addEventListener("scroll", () => {
if (
window.innerHeight + window.scrollY >= document.body.offsetHeight - 500 &&
ready
) {
ready = false;
getPhotos();
}
});
// on load
getPhotos();