Summary

You learned quite a bit in this chapter. You learned the following cross-browser BOM objects:

• Properties of the global window object, such as navigator, location, history, frames, screen
• Methods such as setInterval() and setTimeout(); alert(), confirm() and prompt(); moveTo/By() and resizeTo/By()

Then, you learned about the DOM, an API to represent an HTML or XML document as a tree structure, where each tag or text is a node on the tree. You also learned how to perform the following actions:

• Accessing nodes:
  • Using parent/child relationship properties, such as parentNode, childNodes, firstChild, lastChild, nextSibling, and previousSibling
  • Using getElementsById(), getElementsByTagName(), getElementsByName(), and querySelectorAll()

• Modifying nodes:
  • Using innerHTML or innerText/textContent
  • Using nodeValue or setAttribute(), or just using attributes as object properties

• Removing nodes with removeChild() or replaceChild()
• Adding new ones with appendChild(), cloneNode(), and insertBefore()

You also...