10. What are the most preferred ways to include a JavaScript in an HTML file. Give examples of each. 11. What is an operator?

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
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10. What are the most preferred ways to include a JavaScript in an HTML file. Give examples of
each.
11. What is an operator?
Transcribed Image Text:10. What are the most preferred ways to include a JavaScript in an HTML file. Give examples of each. 11. What is an operator?
Expert Solution
Step 1

Part (11)

  • There are basically two ways to include the JavaScript in an HTML file which are:
    • In <head> tag
    • In <body> tag

In <head> tag:

  • The <script> tag is used to implement the javaScript in an HTML file.
  • Following is an example which implement the <script> tag inside the <head> tag:

Code:

<!DOCTYPE html>
<html>
<head>
   <script>                              // script tag inside the <head> tag 
      function example() { 
         document.getElementById("example").innerHTML = "After clicking the button"; 
      } 
   </script> 
</head>
<body>
   <h1>Sample Example</h1>
   <p id="example">Before clicking the button</p>
   <button type="button" onclick="example()">!! Press !!</button>
</body> 
</html>

Output:

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