document getelementbyid example

In the Web standard, you can use getelementbyid (), getelementsbyname (), and getelementsbytagname () to access any tag in the document. (1) getelementbyid (): Getelementbyid () can access a specific element in the document. As the name suggests,

In the Web standard, you can use getelementbyid (), getelementsbyname (), and getelementsbytagname () to access any tag in the document. (1) getelementbyid (): Getelementbyid () can access a specific element in the document. As the name suggests,

In js writing, you often need to obtain the id object. If you use getElementById directly to obtain the object, there are many codes and the old browser does not support this attribute. You can consider using the following code. For example, use _ $

Document. all is a proprietary attribute of IE 4.0 and later versions. It is a group of all objects in the current document, including not only object objects visible on the page, but also invisible objects, for example, html annotations. In the

Document. getElementById is a public standard and supported by all mainstream browsers, document. all only supports IE, document. layers is the proprietary document of Netscape4.x. all is a proprietary attribute of IE 4.0 and later versions. It is a

The getElementById () method of the html DOM document Object, domgetelementbyid The getElementById () method returns a reference to the first object with the specified ID. Syntax: document.getElementById(id) The html dom defines multiple methods for

In JavaScript, the document. Write () method is often used to output content from a webpage to a document.Example: The document. Write () method is used to output a piece of text to the webpage document.Document. Write ("I love learning-I like

Document. getelementsbyname () obtains the control object based on the control name. Because the control name can be the same, an array of objects is returned. Document. getelementbyid () is used to obtain the control object based on the control ID.

Web standards can access any of the tags in the document through getElementById (), Getelementsbyname (), and getElementsByTagName ().(1) getElementById ():getElementById () can access a specific element in the document, as the name implies, by

For the most classic explanation of ID & Name, "ID is like our ID card, and Name is like our Name". That is to say, ID is unique in an html document, but the Name can be repeated, just as our personal names can be repeated, but the ID card is indeed