getElementById (ID)This is one of the most common examples of accessing an element through an ID:test Note: If the ID of the element is not unique, then the first element of that ID name will be taken
Getelementsbyname (name)This is done by name
Write in frontThis article does not have any WebKit code analysis, because ... No good analysis, in the implementation is nothing more than a tree (first-order Dfs) traversal just, embarrassed hahaha ... Look at the WebCore/dom/Node.h
The first time I saw the definition of agile development, I was fascinated by agile development. Generally speaking, agile development can let us use the code can reuse again, because it is reused again, so relatively safe, again debugging is not
three ways to use JS1. Directly in the HTML tag, using the event properties, invoke the JS code: Point me! 2. From anywhere on the page, use the script tag3. External: Use the script tag src attribute to select an external address, type attribute
Create node createelement () var node = document.createelement ("div"); Nothing to say, create an element node, but note that the node is not automatically added to the document. 2, create a text node createTextNode () var value =
Java and XML joint programming dom
Dom preliminary Dom is short for Document Object Model, that is, Document Object Model. As mentioned above, XML organizes data into a tree, so Dom is an object for this tree. In layman's terms, by parsing XML
Objective
The function of Dom is to turn a Web page into a JavaScript object, so that you can use JavaScript to do a variety of things (such as add and delete content). The browser parses the HTML document into a series of nodes based on the DOM
Dom preliminary
Dom is short for Document Object Model, that is, Document Object Model. As mentioned above, XML organizes data into a tree, so Dom is an object for this tree. In layman's terms, by parsing XML documents, a tree model is created for
In Android, WS interfaces are often called, and interfaces generally support the XML format. Therefore, it is very important to parse XML in Java, here I will write a more detailed article, as follows:
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Create node createelement () var node = document.createelement ("div"); Nothing to say, create an element node, but note that the node is not automatically added to the document. 2, create a text node createTextNode () var value =
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