How HTML, CSS, and JavaScript Work A Brief Intro to Programming Languages Programming, or coding, is like solving a puzzle. In a human language like French or Arabic, the puzzle might be the translate a sentence perfectly. In programming, the puzzle could be to make a web page look a certain way, or to make an object on the page move. So, when a web designer is given an end goal like "create a webpage that has this header, this font, these colors, these pictures, and an animated unicorn walking across the screen when users click on this button," the web designer's job is to take that big idea and break it apart into tiny pieces, and then translate these pieces into instructions that the computer can understand -- including putting all these instructions in the correct order or syntax. Every page on the web that you visit is built using a sequence of separate instructions, one after another. Your browser (Chrome, Firefox, Safari, and so on) is a big actor in...