Page 2 - JavaScript
P. 2
Table of Contents
About 1
Chapter 1: Getting started with JavaScript 2
Remarks 2
Versions 2
Examples 3
Using the DOM API 3
Using console.log() 4
Introduction 4
Getting Started 4
Logging variables 5
Placeholders 5
Logging Objects 6
Logging HTML elements 6
End Note 7
Using window.alert() 7
Notes 7
Using window.prompt() 8
Syntax 8
Examples 8
Notes 9
Using the DOM API (with graphical text: Canvas, SVG, or image file) 9
Using window.confirm() 10
Notes 11
Chapter 2: .postMessage() and MessageEvent 12
Syntax 12
Parameters 12
Examples 12
Getting Started 12
What is .postMessage(), when and why do we use it 12

