October 2019
Intermediate to advanced
108 pages
2h 24m
English
Content preview from Building Forms with Vue.js
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Exploring the v-mask directive
When we added the v-mask library to our project, and added the plugin within main.js, the library created a new directive for us, v-mask. What exactly is a directive, though? We know it looks like an HTML attribute, but what else?
A directive can be defined as follows:
"Directives are special attributes with the v- prefix. Directive attribute values are expected to be a single JavaScript expression (with the exception of v-for […]). A directive's job is to reactively apply side effects to the DOM, when the value of its expression changes". - Official Vue documentation.
Okay, so it looks like we have a special attribute that can modify the element. That sounds exactly like what we saw happen when we applied to ...
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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.