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Web Developer's Reference Guide

Web Developer's Reference Guide

By : Joshua Johanan, Talha Khan, Ricardo Zea
4.7 (3)
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Web Developer's Reference Guide

Web Developer's Reference Guide

4.7 (3)
By: Joshua Johanan, Talha Khan, Ricardo Zea

Overview of this book

This comprehensive reference guide takes you through each topic in web development and highlights the most popular and important elements of each area. Starting with HTML, you will learn key elements and attributes and how they relate to each other. Next, you will explore CSS pseudo-classes and pseudo-elements, followed by CSS properties and functions. This will introduce you to many powerful and new selectors. You will then move on to JavaScript. This section will not just introduce functions, but will provide you with an entire reference for the language and paradigms. You will discover more about three of the most popular frameworks today—Bootstrap, which builds on CSS, jQuery which builds on JavaScript, and AngularJS, which also builds on JavaScript. Finally, you will take a walk-through Node.js, which is a server-side framework that allows you to write programs in JavaScript.
Table of Contents (17 chapters)
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9
9. JavaScript Expressions, Operators, Statements, and Arrays
16
Index

Services

The role services play in an Angular application is clear, but there can be confusion around the creation of services. This is because there are three very similar ways to create a service in Angular. We will look at each of these and why they should be used.

A service in Angular is an object that can be an authority on data (meaning it is the only source of some data). A great example is the route provider as it is the only object that provides route information. It is a singleton that all modules utilize, a way to keep data in sync between controllers, or all of these! A great example of a service that you will most likely need is $http. It makes AJAX requests for you. You can build a service that returns data from your API and you do not have to worry about creating AJAX calls in each and every controller.

Another example is the $route and $routeParams services. When you have a reference to the $route service, you can always find out what route has been matched. The $routeParams...

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Programming languages
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Web Developer's Reference Guide
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