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9-Fully explain the following code and draw all possible outputs.

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Concept explainers

Print statement

A statement in a program that displays the variables, object, or text to the output device (screen) is known as a print statement. The print statement consists of a function that forwards the output to standard output devices such as printers, monitors, etc. Depending on the programming language, the syntax of the print statement differs. The print statement allows the user to print the values of multiple variables in a single statement; however, the variables are separated using a separator (comma, plus, etc,).

Question

9-Fully explain the following code and draw all possible outputs.
<!DOCTYPE html>
<html>
<body>
<p id="demo"></p>
<script>
var parser, xmlDoc;
var text = "<bookstore><book>" +
"<title>Everyday Italian</title>" +
"<author>Giada De Laurentiis</author>" +
"<year>2005</year>" +
'</book></bookstore>";
parser = new DOMParser();
xmlDoc = parser.parseFromString (text, "text/xml");
document.getElementById("demo").innerHTML =
xmlDoc.getElementsByTagName("title")[0].childNodes[0].nodeValue;
</script>
</body>
</html>

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