JavaScript_Code/seven.html at master · jagpreetrahi/JavaScript_Code · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Id and Classes</title>
</head>
<body>
    <div id="mainbox" class="redBg blackborder">
        this is a class
    </div>
    <!-- emmet -->
    <!-- . is for class and # for id  -->
    <span class="redBg"></span>
    <div class="redBg"></div>
    <span id="span"></span>
    <div class="redbg blackborder"></div>
    <!-- emmet takes div tag as default -->
    <div class="redbg">vhjkfher</div>

    <!-- creating multiple elements using emmet -->
    <span class="myclass myclass1 myclass"></span><span class="myclass myclass1 myclass"></span><span class="myclass myclass1 myclass"></span><span class="myclass myclass1 myclass"></span>
</body>
</html>