Week 3.1

What is the purpose of the "onClick" attribute in the HTML code?

<input type="submit" onclick=" ">

• To define the button declaration

• To set the caption that appears on the button

• To define the action that needs to happen when the button is pressed

• To declare a variable called "magic"

What is a JavaScript function?

• A style of coding in JavaScript

• A built-in JavaScript feature

• A block of code designed to perform a specific task and return a result based on input values

• A way to include images in a web page

How do you define a JavaScript function?

• With the keyword "var"

• With the keyword "function"

• With the keyword "if"

• With the keyword "let"

How do you use a JavaScript function in your code?

• By calling it from another function

• By defining it within a different scope

• By invoking it after it has been defined in the same scope

• By declaring it as a global variable

What is the purpose of user-defined functions in JavaScript?

• To perform specific tasks that are not possible with built-in functions

• To improve the performance of built-in functions

• To make the code more readable and easier to debug

• To create custom functions that can be reused as needed

Which of the following is not a valid JavaScript function name?

• myFunction()

• 1stFunction()

• $function()

• _function()

What is the purpose of the "name" attribute in the HTML <form> element?

• To format the text in the form

• To specify the type of input allowed in the form

• To identify the form in JavaScript code

• To specify the action triggered by the "Submit" button

What is the purpose of the HTML <input> element with type="text"?

• To display a button on the web page

• To display a text box on the web page

• To display an image on the web page

• To display a hyperlink on the web page

What is the value of the input button in the example code?

<input type="button" value="Submit" onClick="reveal()">

• Submit

• Cancel

• Reset

• Enter

What is the purpose of the variable "magic" in the "reveal()" function?

function reveal(){

var magic = document.theForm.elements[0].value;

alert("It's ..." + magic + "!!");

}

• To declare the function

• To store the value of the input from the user

• To submit the form

• To display a message to the user