July 2018
Beginner to intermediate
458 pages
9h 58m
English
Content preview from Learning Salesforce Lightning Application Development
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JavaScript controller and helper
Lightning Components are not just static markup; they interact with Salesforce data to send data back and forth between a browser and Salesforce servers.
JavaScript is used in web applications to add interactivity to web pages. It allows you to manipulate DOM elements (by applying new styles, removing styles, changing HTML markup), communicate with the server to send data back and forth, or pass data to the server, add animations, add visual effects, add audio effects, and many other things.
A Lightning Component bundle comprises JavaScript controllers and helpers that allow you to write client-side JavaScript to add interactivity and retrieve and push data to Salesforce servers.
When you create a Lightning ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.