Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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![画像:7-Fully explain the following code and draw all possible outputs. <!DOCTYPE html> <html> <body> <h2>JavaScript HTML DOM</h2> <div id="main"> <p>Finding HTML Elements by Tag Name</p> <p>This example demonstrates the <b>getElementsByTagName</b> method.</p> </div> <p id="demo"></p> <script> const x = document.getElementById("main"); const y = x.getElementsByTagName("p"); document.getElementById("demo").innerHTML = 'The first paragraph (index 0) inside "main" is: y[0].innerHTML; </script> </body> </html>](https://content.bartleby.com/qna-images/question/ad1b3f56-a3c9-4d59-9a30-165fb680e6c9/a9ce14fa-1986-4952-9d5d-56bb47b23278/obsctuf_thumbnail.png){kind=link}
Transcribed Image Text:7-Fully explain the following code and draw all possible outputs.
<!DOCTYPE html>
<html>
<body>
<h2>JavaScript HTML DOM</h2>
<div id="main">
<p>Finding HTML Elements by Tag Name</p>
<p>This example demonstrates the <b>getElementsByTagName</b>
method.</p>
</div>
<p id="demo"></p>
<script>
const x = document.getElementById("main");
const y = x.getElementsByTagName("p");
document.getElementById("demo").innerHTML =
'The first paragraph (index 0) inside "main" is:
y[0].innerHTML;
</script>
</body>
</html>
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