How To Get All h1 Tags From HTML Document in Javascript

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Inside this article we will see the concept i.e How To Get All h1 Tags From HTML Document in Javascript Tutorial. Article contains the classified information about Read All h1 Tags from Webpage Using Javascript getElementsByTagName() Method.

There is a very simple process which you will see and learn to read all h1 tags. It’s very useful when you are trying to read attributes, values, etc from web page tags. Here, we will see how to get contents from each h1 tag.

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Let’s get started.

Application Programming

Let’s create a folder with name read-h1s in your localhost directory. In this project folder, create a file: index.html

Open index.html and write this complete code into it.

<!DOCTYPE html>
<html>

<head>
    <title>How To Find All h1 Tag Using Javascript</title>
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
</head>

<body>

    <h1>This is first h1 tag</h1>

    <h2>This is first h2 tag</h2>

    <h2>This is second h2 tag</h2>

    <h1>This is second h1 tag</h1>

    <h1>This is third h1 tag</h1>

</body>

<script type="text/javascript">
    var all_h1s = document.getElementsByTagName("h1");

    for (var i = 0; i < all_h1s.length; i++) {
        var h1 = all_h1s[i];

        console.log(h1.innerHTML);
    }
</script>

</html>

Concept

To get all h1 from web page we used getElementsByTagName() of Javascript.

var all_h1s = document.getElementsByTagName("h1");

for (var i = 0; i < all_h1s.length; i++) {
    var h1 = all_h1s[i];

    console.log(h1.innerHTML);
}

Application Testing

Open your browser.

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Next,

Your project URL will be like this.

URL: http://localhost/read-h1s/index.html

Output #1 (In Browser’s screen)

Output #2 (In Browser’s Console)

We hope this article helped you to learn How To Get All h1 Tags From HTML Document in Javascript Tutorial in a very detailed way.

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Sanjay KumarHello friends, I am Sanjay Kumar a Web Developer by profession. Additionally I'm also a Blogger, Youtuber by Passion. I founded Online Web Tutor and Skillshike platforms. By using these platforms I am sharing the valuable knowledge of Programming, Tips and Tricks, Programming Standards and more what I have with you all. Read more