JavaScript Tutorial For Beginners #33 – Traversing the DOM

Hey all, in this JavaScript tutorial for beginners, I’ll explain how we can reach into the DOM and grab content (nodes) from the DOM tree, such as elements, classes and ID’s. And I’ll also explain how we can search ‘within’ tags under different scopes to find child elements.

In this tutorial we’ll learn three JavaScript methods (functions) to do that:

getElementsByTagName() – returns an array of objects
getElementsByClassName() – returns an array of objects
getElementById() – returns a single object

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