JavaScript vs. PageWatch vs. PlayCode vs. Velocity.js Comparison Chart

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.

The #1 JavaScript playground and sandbox to write, run and repl it. JavaScript playground is perfect for learning and prototyping javascript sandboxes. Fast and easy to use. Start a JavaScript playground project using ready-to-use templates. JavaScript is one of the most popular languages for web development. It is needed in order to make web pages alive. Today JavaScript can be run not only in the browser but also on the server. Learning, practicing and prototyping is much easier right in the javascript playground because the browser is designed to run javascript. This is the perfect coding IDE. In turn, PlayCode tries to use all the browser features to ensure maximum, comfortable run javascript sandbox. Read, evaluate, print, and loop, a simple pre-configured coding environment that quickly shows the JavaScript execution result. So, you just open PlayCode without installing anything, write code, and JavaScript playground runs your code instantly and shows the result.