JavaScript Course | Practice Quiz-1

Question 1

Inside which HTML element do we put the JavaScript?

• <javascript>
• <js>
• <src>
• <script>

Question 2

Where is the correct place to insert a JavaScript?

• Both the head section and the body section are correct
• The head section
• The body section
• None of the above

Question 3

Is it necessary for the external script file to contain a <script> tag?

• Yes
• No
• Depends on the type of include
• None of the above

Question 4

What is the correct syntax for referring to an external script called \'gfg.js\'?

• <script name="gfg.js">
• <script href="gfg.js">
• <script src="gfg.js">
• None of these

Question 5

How many ways are there with which we can declare a variable in javascript?

• Only one
• Three
• Infinitely many
• None of the above

Question 6

Is a variable named \'apple\' same as \'Apple\' in javascript?

• Yes
• No
• Only when we use \'strict\'
• None of the above

Question 7

Which of the following variable names are correct according to javascript? (Multiple Choices may be correct)

• let 1name;
• let #name;
• let _name;
• let $_name;

Question 8

What will be the output of the following code?

< script >

document.write( typeof( '1' + 2) );

</ script >

• 'boolean'
  

• 'string'
  

• 'number'
  

• None of the above
  

Question 9

What will be the output of the following code?

< script>

let ans = 6 / "3";

document.write ( typeof ans );

< /script>

• None of the above
  

• 'number'
  

• 'integer'
  

• 'string'
  

Question 10

What is the correct JavaScript syntax to change the content of the HTML element below?

Javascript

<p id=\"demo\">May the code be with you.</p>

• document.getElementById("demo").innerHTML = "Hola!";
• document.getElement("p").innerHTML = "Hola!";
• #demo.innerHTML = "Hola!";
• document.getElementByName("p").innerHTML = "Hola!";