Unit3-FullProject/insertPractice.html at master · JeremyM02/Unit3-FullProject · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Insert Practice</title>
    <link rel="stylesheet" href="style.css">
    <style>
        .container{
            display: block;
        }
    </style>
</head>
<body>
<div class="container">
    <div class="content">
        <h3>What is this</h3>
        <h4>I dont want this</h4>
    </div>
</div>
<script>
    const content = document.querySelector('.content');
    //Replace contents of an html tag using innerHTML
    content.innerHTML = '<h1 id="stuff">Stuff was changed</h1><h4>This was also changed</h4><h3 class="unexisting">This does not exist</h3>';

    const added =  document.createElement('h1');
    added.innerHTML = 'Stuff was added';
    content.appendChild(added);
    content.appendChild(added);

    const addedToo = document.createElement('h2');
    const addedThen = document.createElement('h3');
    const addedIGuess = document.createElement('h4');

    addedToo.innerHTML = 'But then this was added';
    addedThen.innerHTML = 'and then this too';
    addedIGuess.innerHTML = 'maybe this too, i guess';

    content.appendChild(addedToo);
    content.appendChild(addedThen);
    content.appendChild(addedIGuess);

    //put this at the top in addition to existing elements
    const food = document.createElement('h1');
    food.innerHTML = 'Pizza exists';
    content.insertAdjacentElement('afterend', food);

    //to remove an element
    const unwantedElement = document.querySelector('h4');
    unwantedElement.remove();

    const uneededElement = document.querySelector('#stuff');
    uneededElement.remove();

    const dislikedElement = document.querySelector('.unexisting');
    dislikedElement.remove();
</script>
</body>
</html>