JavaScript Comments - O Level (NIELIT)

O Level Online Exam

Qus. 1 : How do you correctly link an external JavaScript file to an HTML document?

<script src="script.js"></script>
<javascript src="script.js"></javascript>
<link href="script.js" rel="script">
<script href="script.js"></script>

Qus. 2 : What is the correct way to embed JavaScript directly within an HTML file?

<script href="script.js"></script>
<script> alert('Hello, World!'); </script>
<js> alert('Hello, World!'); </js>
<style> alert('Hello, World!'); </style>

Qus. 3 : Which of the following is true about the <script> tag in HTML?

Multiple <script> tags can be used in the same HTML document
The <script> tag can only be placed in the <head> section
The <script> tag can only be used once in an HTML document
The <script> tag must always reference an external file

Qus. 4 : Which of the following is true about the placement of JavaScript in HTML?

JavaScript must always be placed inside the <head> tag
JavaScript can be placed either in the <head> or <body> tag
JavaScript can only be placed in external files
JavaScript cannot be placed in the <head> tag

Programs

JavaScript code that calculates the squares and cubes from 0 to 10