October 2018
Intermediate to advanced
590 pages
15h 5m
English
Content preview from Building Applications with Spring 5 and Vue.js 2
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Objects, properties, and property attributes
In Java, once an object is created, there is (almost) no way to modify its methods during runtime. Java is not a dynamic language. In JavaScript, things are quite different. You can create an object and modify it easily during runtime, such as adding new properties and replacing a method. That's what a dynamic language can do. Actually, that is not the special part. The special part is that Object is a language type in JavaScript, like other language types that JavaScript has, which includes Undefined, Null, Boolean, String, Symbol, and Number. Any value in JavaScript is a value of those types.
The undefined type has a single value, undefined. The null type has a single value, null. A Boolean ...
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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.
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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.