JavaScript

JavaScript is the most popular language among developers for the sixth year in a row. Nearly 70 percent of survey respondents reported that they had used JavaScript in the past year. Along with HTML and CSS, JavaScript is essential to front-end web development. A majority of the web’s most popular sites, from Facebook and Twitter to Gmail and YouTube, rely on JavaScript to create interactive web pages and dynamically display content to users. In addition to “pure” JavaScript, there are also a number of libraries and frameworks intended to make JavaScript development easier. Some of the most popular frameworks include Angular, React, Vue, Ember, and jQuery. Professional JavaScript developers will likely need experience with one or more of these.