© 2017, Mike Murach & Associates, Inc. Chapter 1 Murach's JavaScript and jQuery (3rd Ed.) © 2017, Mike Murach & Associates, Inc.

An HTML file (index.html) in a browser with no CSS applied to it Murach's JavaScript and jQuery (3rd Ed.) © 2017, Mike Murach & Associates, Inc.

The code for the HTML file named index.html Murach's JavaScript and jQuery (3rd Ed.) © 2017, Mike Murach & Associates, Inc.

The HTML file named index.html (continued) Murach's JavaScript and jQuery (3rd Ed.) © 2017, Mike Murach & Associates, Inc.

The web page in a browser after CSS has been applied to it Murach's JavaScript and jQuery (3rd Ed.) © 2017, Mike Murach & Associates, Inc.

The link element that applies the CSS file Murach's JavaScript and jQuery (3rd Ed.) © 2017, Mike Murach & Associates, Inc.

The CSS file named email_list.css (continued) Murach's JavaScript and jQuery (3rd Ed.) © 2017, Mike Murach & Associates, Inc.

The web page in a browser with JavaScript used for data validation Murach's JavaScript and jQuery (3rd Ed.) © 2017, Mike Murach & Associates, Inc.

The code for the JavaScript file (email_list.js) Murach's JavaScript and jQuery (3rd Ed.) © 2017, Mike Murach & Associates, Inc.

The JavaScript file (continued) Murach's JavaScript and jQuery (3rd Ed.) © 2017, Mike Murach & Associates, Inc.

The primary HTML5 semantic elements Murach's JavaScript and jQuery (3rd Ed.) © 2017, Mike Murach & Associates, Inc.

A page that’s structured with HTML5 elements Murach's JavaScript and jQuery (3rd Ed.) © 2017, Mike Murach & Associates, Inc.

The HTML in a web browser Murach's JavaScript and jQuery (3rd Ed.) © 2017, Mike Murach & Associates, Inc.

The div and span elements Murach's JavaScript and jQuery (3rd Ed.) © 2017, Mike Murach & Associates, Inc.

HTML div elements for a JavaScript application Murach's JavaScript and jQuery (3rd Ed.) © 2017, Mike Murach & Associates, Inc.

HTML span elements for a JavaScript application Murach's JavaScript and jQuery (3rd Ed.) © 2017, Mike Murach & Associates, Inc.

The basic HTML attributes Murach's JavaScript and jQuery (3rd Ed.) © 2017, Mike Murach & Associates, Inc.

HTML that uses these attributes Murach's JavaScript and jQuery (3rd Ed.) © 2017, Mike Murach & Associates, Inc.

The HTML in a web browser with a tooltip displayed for the text box Murach's JavaScript and jQuery (3rd Ed.) © 2017, Mike Murach & Associates, Inc.

Two ways to provide styles Murach's JavaScript and jQuery (3rd Ed.) © 2017, Mike Murach & Associates, Inc.

A head element that includes two style sheets Murach's JavaScript and jQuery (3rd Ed.) © 2017, Mike Murach & Associates, Inc.

HTML that can be selected by type, id, or class Murach's JavaScript and jQuery (3rd Ed.) © 2017, Mike Murach & Associates, Inc.

CSS style rules that select by type, id, and class Murach's JavaScript and jQuery (3rd Ed.) © 2017, Mike Murach & Associates, Inc.

The HTML elements displayed in a browser Murach's JavaScript and jQuery (3rd Ed.) © 2017, Mike Murach & Associates, Inc.

The CSS file for a typical application in this book Murach's JavaScript and jQuery (3rd Ed.) © 2017, Mike Murach & Associates, Inc.

© 2017, Mike Murach & Associates, Inc. Terms Murach's JavaScript and jQuery (3rd Ed.) © 2017, Mike Murach & Associates, Inc.

The web page at c:/javascript/book_apps/ch01/email_list/index.html Murach's JavaScript and jQuery (3rd Ed.) © 2017, Mike Murach & Associates, Inc.

Four ways to run an HTML page that’s on your own server or computer Murach's JavaScript and jQuery (3rd Ed.) © 2017, Mike Murach & Associates, Inc.

Two ways to run an HTML page on the Internet Murach's JavaScript and jQuery (3rd Ed.) © 2017, Mike Murach & Associates, Inc.

The components of an HTTP URL on the Internet Murach's JavaScript and jQuery (3rd Ed.) © 2017, Mike Murach & Associates, Inc.