Simple_Js/44_innerHTMLouterHTML.html at main · DeveloperAmrit/Simple_Js · 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>Inner HTML Outer HTML</title>
</head>
<body><!--This is a comment-->
    <span>Hey This is a span</span>
    <span id="hide">This is a hidden</span>
</body>
</html>

<script>
    console.dir(document.getElementsByTagName('span')[0])

    // valid only for element nodes

    console.log('1',document.body.innerHTML)
    console.log('2',document.body.outerHTML)        // outer HTML = inner HTML + self


    // for all nodes

    console.log('3',document.head.textContent)                        // (inside html - html tags) replaces tags by spaces
    console.log('4',document.body.firstChild.nodeValue)
    console.log('5',document.body.firstChild.data)                    // can be used to read comments

    // hidden attribute
    document.getElementById('hide').hidden = true
</script>