Tag Name Document For Free

The DOM tagName Property is used to return the tagname of the Element. It is read-only property and used to display the returned value of tagName in UPPERCASE letters. Return Value: It returns a string value which represent the tagName of the element in UPPERCASE letters.

The document. getElementsByTagName() method is a core function of JavaScript that provides an easy way to select elements from the DOM (Document Object Model). It takes a single argument, which is the HTML tag name, and returns an array of elements in the DOM that have that tag name.

GetElementsByTagName() method returns a live HTMLCollection of elements with the given tag name. All descendants of the specified element are searched, but not the element itself. The returned list is live, which means it updates itself with the DOM tree automatically. Therefore, there is no need to call Element.

TagName and nodeName are both useful Javascript properties for checking the name of an html element. For most purposes, either will do fine but nodeName is preferred if you are supporting only A-grade browsers and tagName is preferred if you intend to support IE5. 5 as well.

A tag name is a part of a DOM structure where every element on a page is been defined via tag like input tag, button tag or anchor tag etc. Each tag has multiple attributes like ID, name, value class etc.

The tagName read-only property of the Element interface returns the tag name of the element on which it's called. For example, if the element is an <img> , its tagName property is "IMG" (for HTML documents; it may be cased differently for XML/XHTML documents).

The Element. getElementsByTagName() method returns a live HTMLCollection of elements with the given tag name. All descendants of the specified element are searched, but not the element itself. The returned list is live, which means it updates itself with the DOM tree automatically.