From the course: DC.js for Data Science Essential Training
Join today to access over 23,200 courses taught by industry experts.
Setting up dummy data - JavaScript Tutorial
From the course: DC.js for Data Science Essential Training
Setting up dummy data
- [Instructor] We're going to work with sample data taken from the cross filter API. Here we have some payment data relating to meals taken at a restaurant, so I want you to highlight everything within the square brackets, including the square brackets themselves, and copy. Then within our template we need to create a new JavaScript section under the DC link. Let's give ourselves a bit of room, and this time we go script type equals text JavaScript, but we don't need to supply a source this time, because were going to be writing the JavaScript code indirectly, so we just open them up like that. And then we can declare a variable var data and set it equal to the array that we just copied. Let's look at this data variable a bit more closely. The square brackets tell us that we're dealing with an array in JavaScript. An array is a glorified list separated by commas, so here is one item within our array, there's the relevant comma, and here is the next item within our array. This array…
Practice while you learn with exercise files
Download the files the instructor uses to teach the course. Follow along and learn by watching, listening and practicing.
Download courses and learn on the go
Watch courses on your mobile device without an internet connection. Download courses using your iOS or Android LinkedIn Learning app.