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  • Book Overview & Buying JavaScript from Frontend to Backend
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JavaScript from Frontend to Backend

JavaScript from Frontend to Backend

By : Eric Sarrion
4.3 (11)
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JavaScript from Frontend to Backend

JavaScript from Frontend to Backend

4.3 (11)
By: Eric Sarrion

Overview of this book

JavaScript, the most widely used programming language in the world, has numerous libraries and modules and a dizzying array of need-to-know topics. Picking a starting point can be difficult. Enter JavaScript from Frontend to Backend. This concise, practical guide will get you up to speed in next to no time. This book begins with the basics of variables and objects in JavaScript and then moves quickly on to building components on the client-side with Vue.js and a simple list management application. After that, the focus shifts to the server-side and Node.js, where you’ll examine the MVC model and explore the Express module. Once you've got to grips with the server-side and the client-side, the only thing that remains is the database. You’ll discover MongoDB and the Mongoose module. In the final chapter of this fast-paced guide, you'll combine all these pieces to integrate a Vue.js application into a Node.js server, using Express to structure the server code and MongoDB to store the information. By the end of this book, you will have the skills and confidence to successfully implement JavaScript concepts in your own projects and begin your career as a JavaScript developer.
Table of Contents (14 chapters)
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1
Part 1: JavaScript Syntax
4
Part 2: JavaScript on the Client-Side
8
Part 3: JavaScript on the Server-Side

Adding methods in components

We have seen how to create reactive variables in a component, using the data section of the component. It is also possible to create methods in a component that can be used in the component template.

There are two ways to add methods to a component:

  • The first is to define the method in the methods section of the component.
  • The second is to create a so-called computed property that will be defined in the computed section of the component.

Let’s look at these two ways to do it.

Defining methods in the methods section

For each incrementation of the counter, it should be necessary to display the time at which it occurs. A time() function would be very useful in the component, allowing us to display the time in the form HH:MM:SS. This time() function will be defined in the methods section of the component.

The <counter> component is modified to integrate the display of the time at the beginning of the line. We can...

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