March 2019
Intermediate to advanced
208 pages
5h 11m
English
Content preview from Web Development with ReasonMLBecome 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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Chapter 4Interacting with Web Pages
Interacting with web pages is a key requirement of web development. In this chapter, we’ll move beyond writing output to the terminal window and examine how ReasonML lets you get input from and display output to a web page as part of building web applications.
This means that things are going to get messy, and we’re going to have to handle a non-ideal world. We might attempt to access an element that isn’t in the HTML page. A user-entered string that should convert to an integer might not—if two is entered instead of 2, for example. In each of these cases, we get an option value as we discussed. This is where we’ll put the Belt.Option library that we saw to work to handle a chain of operations, all yielding ...
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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.