Traverses the DOM
Each node present within the DOM tree corresponds to an object that represents a distinct element on the web page. Nodes possess an intrinsic awareness of their connections with neighboring nodes and encapsulate an array of self-descriptive information. The parent node of any given node occupies the tier immediately above it in the DOM hierarchy, while the children nodes are positioned one level below. Nodes that share the same hierarchical level are termed siblings. Every property, apart from childNodes, points to another node object. The childNodes property, conversely, references an array encompassing nodes. Several established methods exist for selecting one or multiple nodes within an HTML document, facilitating tailored node manipulation. The three most popular are:
The childNodes property furnishes a collection encompassing the child nodes of a specific node, complemented by the length property which indicates the count of these child nodes. Employing a loop, one can iteratively traverse through all the child nodes, thereby accessing and retrieving pertinent information from each child node.
Traversing the DOM involves moving through the hierarchical structure of nodes representing elements on a web page. It includes navigating upwards to parent nodes, downwards to child nodes, and horizontally to sibling nodes, while utilizing methods and properties to access and manipulate the relationships and content of these nodes.