curriculum/challenges/english/blocks/learn-css-flexbox-by-building-a-photo-gallery/61537d86bdc3dd343688fceb.md
Next, give each img a src attribute according to its order in the document. The first img should have a src of https://cdn.freecodecamp.org/curriculum/css-photo-gallery/1.jpg. The rest should be the same, except replace the 1 with the number the img is in the document.
All nine of your img elements should have a src attribute.
const images = [...document.querySelectorAll('img')];
assert(images.every(image => image.getAttribute('src')));
Your first img element should have https://cdn.freecodecamp.org/curriculum/css-photo-gallery/1.jpg set as the src attribute value.
assert(document.querySelectorAll('img')?.[0]?.getAttribute('src') === 'https://cdn.freecodecamp.org/curriculum/css-photo-gallery/1.jpg');
Your second img element should have https://cdn.freecodecamp.org/curriculum/css-photo-gallery/2.jpg set as the src attribute value.
assert(document.querySelectorAll('img')?.[1]?.getAttribute('src') === 'https://cdn.freecodecamp.org/curriculum/css-photo-gallery/2.jpg');
Your third img element should have https://cdn.freecodecamp.org/curriculum/css-photo-gallery/3.jpg set as the src attribute value.
assert(document.querySelectorAll('img')?.[2]?.getAttribute('src') === 'https://cdn.freecodecamp.org/curriculum/css-photo-gallery/3.jpg');
Your fourth img element should have https://cdn.freecodecamp.org/curriculum/css-photo-gallery/4.jpg set as the src attribute value.
assert(document.querySelectorAll('img')?.[3]?.getAttribute('src') === 'https://cdn.freecodecamp.org/curriculum/css-photo-gallery/4.jpg');
Your fifth img element should have https://cdn.freecodecamp.org/curriculum/css-photo-gallery/5.jpg set as the src attribute value.
assert(document.querySelectorAll('img')?.[4]?.getAttribute('src') === 'https://cdn.freecodecamp.org/curriculum/css-photo-gallery/5.jpg');
Your sixth img element should have https://cdn.freecodecamp.org/curriculum/css-photo-gallery/6.jpg set as the src attribute value.
assert(document.querySelectorAll('img')?.[5]?.getAttribute('src') === 'https://cdn.freecodecamp.org/curriculum/css-photo-gallery/6.jpg');
Your seventh img element should have https://cdn.freecodecamp.org/curriculum/css-photo-gallery/7.jpg set as the src attribute value.
assert(document.querySelectorAll('img')?.[6]?.getAttribute('src') === 'https://cdn.freecodecamp.org/curriculum/css-photo-gallery/7.jpg');
Your eighth img element should have https://cdn.freecodecamp.org/curriculum/css-photo-gallery/8.jpg set as the src attribute value.
assert(document.querySelectorAll('img')?.[7]?.getAttribute('src') === 'https://cdn.freecodecamp.org/curriculum/css-photo-gallery/8.jpg');
Your ninth img element should have https://cdn.freecodecamp.org/curriculum/css-photo-gallery/9.jpg set as the src attribute value.
assert(document.querySelectorAll('img')?.[8]?.getAttribute('src') === 'https://cdn.freecodecamp.org/curriculum/css-photo-gallery/9.jpg');
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Photo Gallery</title>
<link rel="stylesheet" href="./styles.css">
</head>
<body>
<header class="header">
<h1>css flexbox photo gallery</h1>
</header>
--fcc-editable-region--
<div class="gallery">
</div>
--fcc-editable-region--
</body>
</html>