getelementbyid properties

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

document.getElementById ("link"). href; document.getElementById ("link"). Target; document.getElementById ("img"). SRC; document.getElementById ("img"). Width; document.getElementById ("img"). Height; document.getElementById ("Input"). Value; So how

Document. form name. object Name. attribute values may not be supported by third parties in this way. We recommend that you use the getelementbyid (), getelementsbyname (), and getelementsbytagname () methods () the result is an array.On the

getElementById (): The purpose of the method is to look for an element with a given id attribute worth:element = document.getElementById (ID);This method returns a node with the given ID attribute that is worth the element. If such an element does

GetelementbynameDoes not existOnlyGetelement _ S _ bynameAndGetelementbyid ByidAccordingHtmlElementIDAttribute, according to specificationsIDIt should be unique and used to indicateElementFor example, ....... Therefore, the unique element handle

Sometimes we need to get a collection of objects and add attributes and time to this object.CodeCan also be implemented, but always write a bunch of findcontrol Originally, the server control we used is an HTML Tag displayed on the client, so we

// Examine the browser checks the browser's FunctionVar userAgent = navigator. userAgent. toLowerCase ();Var is_opera = (userAgent. indexOf ('Opera ')! =-1 );Var is_saf = (userAgent. indexOf ('applewebkit ')! =-1) | (navigator. vendor = 'apple

// Examine the browser checks the browser's Function Var userAgent = navigator. userAgent. toLowerCase (); Var is_opera = (userAgent. indexOf ('Opera ')! =-1 ); Var is_saf = (userAgent. indexOf ('applewebkit ')! =-1) | (navigator. vendor = 'apple

Dom Getting Started Tutorial: Properties and methods of DOM Properties and methods define the DOM of the HTML of the programming interface. Programming interfaceThe HTML of the DOM model as a set of node objects. Nodes can take advantage of

Of course, advanced browsers can be scripted for definition and data access. Very useful in project practice. For example:The code is as follows: Using attribute methods to access the values of data-* custom propertiesIt is convenient to use the