window document objects in the document
If we were talking about images, the chain would be:
window document images
If we were talking about forms, the chain would be:
window document form fields and submit button
Your web browser also uses an Array system. It sees the first image on your web page and assigns it an Array number of zero, the second object is assigned 1, and the third is assigned 2, and so on. In fact, it assigns Array’s for graphics, links, anchors, and forms as well as the page loads.