JavaScript is a programming language that enhances web pages by allowing for intelligent features. It is used for variable storage, animations, dynamic content display, and event reactions. An example demonstrates how JavaScript manages user interactions, such as prompting for input and updating webpage text.

1. WhatisJavaScript?
A definition and an example

2. Thelanguagetomakewebpagesintelligent
Usecases
• Storingvaluesinsidevariables
• Creatinganimations
• Displayingdynamiccontent
• Reactingtocertaineventsoccurringonawebpage

3. Asimpleexample
Gotothispage

4. Asimpleexample
Clickonthetext,apromptisdisplayed

5. Asimpleexample
EntersometextandclickOK

6. Asimpleexample
Thetextonthepagewasupdated!

7. How?
JavaScripthandledthesesteps
1. Whentheuserclicksonthetext,displayapromptwiththeinstructions
"Enteranewname"
2. WhentheuserclicksOKinjecttheirinputintheinitialtext