A developer can perform an Ajax-based file upload to a server with JavaScript in five steps: An HTML5 input form element must be included in the webpage that renders in the client’s browser; A ...

Then, the classNames for the form elements are swithced with JavaScript. Marko also uses JavaScript to preloaded the custom images. Here's an example of his technique from the Nacional news magazine: ...

The ‘Form’ Element Created the Modern Web. ... Well, obviously the Twitter text box was born as an HTML form (even if it is now a highly dynamic custom JavaScript thingamajig).