May 14, 2020

JavaScript Notes for Professionals

JavaScript Notes for Professionals

JavaScript Notes for Professionals
This JavaScript® Notes for Professionals book is compiled from Stack Overflow
Documentation, the content is written by the beautiful people at Stack Overflow.
Text content is released under Creative Commons BY-SA, see credits at the end
of this book whom contributed to the various chapters. Images may be copyright
of their respective owners unless otherwise specified
This is an unofficial free book created for educational purposes and is not
affiliated with official JavaScript® group(s) or company(s) nor Stack Overflow. All
trademarks and registered trademarks are the property of their respective
company owners
The information presented in this book is not guaranteed to be correct nor
accurate, use at your own risk
Please send feedback and corrections to web@petercv.com
Chapter 1: Getting started with JavaScript
Version Release Date
1 1997-06-01
2 1998-06-01
3 1998-12-01
E4X 2004-06-01
5 2009-12-01
5.1 2011-06-01
6 2015-06-01
7 2016-06-14
8 2017-06-27
Section 1.1: Using console.log()
Introduction
All modern web browsers, Node.js as well as almost every other JavaScript environments support writing messages
to a console using a suite of logging methods. The most common of these methods is console.log().
In a browser environment, the console.log() function is predominantly used for debugging purposes.
Getting Started
Open up the JavaScript Console in your browser, type the following, and press Enter :
console.log("Hello, World!");
This will log the following to the console:
Download to read more

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