javascript2

What is the extension for a JavaScript file?

• .java

• .jar

• .js

• .sj

JavaScript is ______ Side Scripting Language.

• JSP

• Servlet

• Server

• Browser

How can a developer show a pop-up message to the user?

• alert

• prompt

• console.log

• <p> tag

What will be the output to the console for the following code:

var colors =["Red", "Green", "Yellow", "Orange", "Blue"];

colors.splice(0,3, "Purple");

console.log(colors);

• ["Purple", "Green", "Yellow"]

• ["Purple", "Green", "Yellow", "Orange", "Blue"]

• ["Red", "Green", "Yellow", "Orange", "Blue"]

• ["Purple", "Orange", "Blue"]

array = [1,2,3,4,5]
What would the array look like after we execute this?:
array.splice(0, 1);

• [2,3,4,5]
• [2,3,4,5,1]
• [1,2,3,4]
• [5,4,3,2]

The push() method adds a new element to the end of an array

• true

• false