dom manipulation javascript tutorial

First, jquery operation Dom-queryHTML operations-HTML (): Reads or modifies the HTML content of a node, similar to the innerHTML property in JavaScript650) this.width=650; "src=" Http://s5.51cto.com/wyfs02/M01/7E/6C/wKiom1b-X2yxgKrTAABY4VoUGQs797.png "title=" Web.png "alt=" Wkiom1b-x2yxgkrtaaby4vougqs797.png "/>Text manipulation-Text (): Reads or modifies the text content of the node, similar to the Textcon

Splittext ()."DocumentFragment Type"Of all node types, only documentfragment does not have a corresponding tag in the document. Although you cannot add a document fragment directly to a document, you can use it as a "warehouse" where you can save nodes that may be added to the document in the future. The nodes in the document fragment are not part of the document tree. Adding the contents of a document fragment to a document by AppendChild () or insertbefore (), even if the document fragment is

); It would be nice to be able to delete an element without referencing the parent element.But I'm sorry. The DOM needs to be clear about the element you need to delete, and its parent element. This is a common solution: find the child element that you want to delete, and then use its ParentNode property to find the parent element:var Child=document.getelementbyid ("P1");Child.parentNode.removeChild (child); HTML

allows programs and scripts to dynamically access and update content, architectures, and file styles. The file can be further processed and the result is returned to the display page. In fact, I still see it in the cloud, so we can understand it as a matter of fact, DOM is a unified solution for the convenience of programming and fast transmission, based on the tree specification, it has nothing to do with the browser. The basic idea of

the element is found, the method returns the element in the form of an object (in X).If the element is not found, the X will contain null.Find an instance of an HTML element with a tag nameThis example finds the element that id= "main" and then looks for all the var X=document.getelementbyid ("main"); var y=x.getelementsbytagname ("P");Tip: Finding HTML elements through the class name is not valid in IE 5,6,7,8.HTML DOM TutorialsIn the remainder of t

) { if (typeof e = = "string") E = document.getElementById (e); E.id = E.id.replace (New RegExp ("\\b" +e.id + "\\b\\s*", "G"), ""); E.classname = E.classname.replace (New RegExp ("\\b" +c+ "\\b\\s*", "G"), ""); }; 3. Add the following elements to the body Copy Code code as follows: Effect: No style added.After the style is added.Summary: DOM document manipulation, i

As we know, Dom is an application interface for manipulating XML and HTML documents, and scripting DOM operations can be costly. There is an apt analogy, the DOM and JavaScript (here refers to ecmscript) each imagined as an island, they are connected with a toll bridge, ECMAScript each access to the

The js object relational diagram facilitates dom operations. For more information, see. Are common attributes. Js object Relationship Diagram JavaScript Object Reference Manual This reference manual describes the attributes and methods of each object and provides examples. Array Boolean Date Math Number String RegExp Global Browser Object Reference Manual This reference manual describes the attribu

elementObj.shift () Removing elements from the headObj.splice (Start, DeleteCount, value, ...) inserting, deleting, or replacing elements of an arrayObj.splice (n,0,val) specify position insert elementObj.splice (n,1,val) specifying position substitution elementsObj.splice (n,1) specify location Delete elementObj.slice () slicesObj.reverse () reversalObj.join (Sep) joins the array elements to construct a string.Obj.concat (val,..) connection arrayObj.sort () sorting an array element Dictionary

Career development, code 100 days--2018-04-14The basic knowledge of DOM operations in JavaScript is the manipulation of DOM elements for pruning. The main performance is with the operation of HTML elements, as well as the operation of CSS styles. Its main application knowledge is as follows:Through the basic understand