document getelementbyid html

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

Document. getElementById (text1). *** statement parsing !!! Do I need the source code? JScriptcodevarxmlhttp; functionhello () {xmlhttpajax1 (); varadocument. getElementById (a). valu document. getElementById ('text1'). *** statement parsing !!! Do

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 ('text1'). *** statement parsing !!! Do I need the source code? JScriptcodevarxmlhttp; functionhello () {xmlhttp = ajax1 (); document. getElementById ('text1'). *** statement parsing !!! Do I need the source code?

Use your brain as a browser to execute the following code twice: IE6 and IE9: Copy codeThe Code is as follows: function testFunc (){ Alert ('test ') } $ (Function (){ Var g = document. getElementById, W = window. testFunc; // G Alert (typeof (g

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

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

I have never noticed that $ ("# air") in jquery is the same thing as document. getelementbyid ("Air"). It refers to the same thing. Write a canvasProgramThe two are different. Directly use alert () to show what the two methods actually

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.

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