Dynamic Element Manipulation Using the DOM
Learning the difficult concepts of the previous chapter will be rewarded in this chapter. We will take our DOM knowledge one step further and learn how to manipulate the DOM elements on the page with JavaScript. First, we need to learn how to navigate the DOM and select the elements we want. We will learn how we can add and change attributes and values, and how to add new elements to the DOM.
You will also learn how to add style to elements, which can be used to make items appear and disappear. Then we will introduce you to events and event listeners. We will start easy, but by the end of this chapter you will be able to manipulate web pages in many ways, and you will have the knowledge to create basic web apps. The sky is the limit after getting this skill down.
Along the way, we will cover the following topics:
- Basic DOM traversing
- Accessing elements in the DOM
- Element click handler
- This and the...
