May 2019
Intermediate to advanced
546 pages
12h 41m
English
Content preview from Salesforce Platform Developer I Certification Guide
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The renderer
The renderer of our component will render the icon that we configured in our parent component. In this part of the component, only a few methods are supported.
This is due to the renderer life cycle of your component:
- Render: Execute JavaScript logic during the rendering of the component.
- afterRender: Execute JavaScript logic after the rendering of your component is completed.
- reRender: Execute JavaScript logic after a Lightning event occurs. The components in your component that contain modified data will be re-rendered.
In the renderer part of your component, copy and paste the following code between the curly brackets and save it:
render: function(component, helper) { // By default, after the component finished loading data/handling ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.