Cognitive Class vs. Data Science Dojo vs. JavaScript vs. Tynker Comparison Chart

Cognitive Class is powered by the technology and content provided by the IBM Developer Skills Network. IBM Developer Skills Network is a recognized source of top-quality courses on topics including artificial intelligence (AI), machine learning, data science, big data, analytics, databases, cloud-native development, blockchain, and a lot more. This platform is being utilized by millions of students and professionals, including employees of most Fortune 500 companies. IBM is now making private instances of the Skills Network available for use by teams, departments, small businesses, large enterprises, academic institutions, and training providers, etc. Leverage our learning platform, top-notch courses, and content. Create custom learning paths tailored for your training needs. Create and add your own courses to meet the unique needs of your users. Utilize our lab environment to deliver hands-on learning. Track your users’ learning progress with dashboards and reports.

JavaScript is a scripting language and programming language for the web that enables developers to build dynamic elements on the web. Over 97% of the websites in the world use client-side JavaScript. JavaScript is one of the most important scripting languages on the web. Strings in JavaScript are contained within a pair of either single quotation marks '' or double quotation marks "". Both quotes represent Strings but be sure to choose one and STICK WITH IT. If you start with a single quote, you need to end with a single quote. There are pros and cons to using both IE single quotes tend to make it easier to write HTML within Javascript as you don’t have to escape the line with a double quote. Let’s say you’re trying to use quotation marks inside a string. You’ll need to use opposite quotation marks inside and outside of JavaScript single or double quotes.