In this course we’ll create a to-do list application using JavaScript alone, without using any third party libraries. You’ll get to grips with manipulating and traversing the DOM and adding event handlers to web page elements. The things that you can do with JavaScript are always increasing and this course will give you a solid footing going forward.
JavaScript can be daunting. In this stage, we’ll begin the journey of getting comfortable and more acquainted with JavaScript. Using JavaScript without a 3rd party library, like jQuery or frameworks like AngularJS or Ember.js, is sometimes referred to as “Vanilla JavaScript”. Getting to grips with pure JavaScript will give you the confidence to use the programming language in any setting. But first, we’re going to use it in it’s original home, the browser, and manipulate the Document Object Model or the DOM.

TreeHouse Interactive Web Pages with JavaScript