And that means serving up images is once again a complex problem ... the value is added to the DOM and JavaScript has no problem accessing it, which is exactly what foresight.js does.

HTML, CSS and Javascript; essential tools our designers and engineers ... information to describe things like text alternatives for images and labels. With the basic structure done, we can now ...

HTML can also provide extra information to describe things like text alternatives for images and labels ... We do that in Javascript, or JS as it's often referred to. Amongst other things JS ...