dynamic dropdown javascript

directory and add the following code to it:var compliment = ["Like Albert", "attractive", "intellgient"];var index = Math.floor (Math.random ());p rint ("Hello, You ' re looking particularly "+ Compliment[index] +" today! ");Expected to be directly loaded automatically, file directory:The run will appear:If you are not in the Administer directory, you need to specify the following:Related articles:Http://mongoblog.tumblr.comHttp://stackoverflow.com/questions/8219891/mongo-shell-simple-example-

How to achieve JavaScript dynamic loading of CSS and JS files, javascriptcss The project needs to use the dynamic loading of CSS files. After sorting it out, the function of dynamic loading of JS is integrated into an object, first go to the Code: var dynamicLoading = { css: function(path){ if(!path || path.length ===

I want to use a javascript tree menu, find a ready-made tigra tree menu, and check the effect. If it is good, I plan to use it. Http://www.softcomplex.com/products/tigra_tree_menu/ My requirement is to dynamically build a tree structure based on the data retrieved from the server. The internal implementation of tigra tree menu is to use document. write writes the tree structure content to the page and dynamically adds the Conclusion: tigra tree menu

JavaScript: Verify the dynamic data in the input [type = 'text'] BoxThe following describes the regular expression components. First, we define an object such as koringz: koringz = function () {}|{}. Second, we will add a method to this koringz object. Currently, it is used to verify the text box of the regular expression. Therefore, I define this method as the REGEXP, an uppercase English letter of the reg

here to say the loading of JS method, need to take advantage of this page structure, it is because of this reason, so temporarily do not support the site. This picture looks a bit familiar to me. Well, that's the structure. Body Now do the web version of the application, more and more rely on a variety of JS, the third party jquery, Easyui, my97, and so on, but also wrote a variety of JS. To achieve more and more functions, need to use more and more JS, JS file changes are also very freque

JavaScript dynamic tag creation and AjaxJavaScript dynamic tag creation and Ajax I. Introduction Previously, we performed operations on existing tags. JavaScript can also dynamically create tags and generate new documents in combination with existing tags. At the same time, I briefly introduced Ajax. Ii. dynamically c

the form belowvar divs = document.getelementsbytagname ("div"); for (var i = 0,len = Divs.length; i In general, to minimize the number of visits to NodeList, Htmlcollection, NamedNodeMap. Because each time they are accessed, a document-based query is run. Therefore, you might consider caching their values.At lastNodeList is a collection of nodes, Htmlcollection is a collection of element nodes, and NamedNodeMap is a collection of attribute nodes, all of which are class array objectsYes, there i

| | document.getElementsByTagName (' head ') [0]; var style = document.createelement (' style '); Style.type = ' text/css '; Head.appendchild (style); return Style.sheet | | Style.stylesheet; } Create Stylesheet Object var sheet = createstylesheet (); Returns the interface functions return function (selector, rules, index) { index = index | | 0; if (sheet.insertrule) { sheet.insertrule (selector + "{" + Rules + "}", index); } else if (sheet.addrule) { sheet.addru

A friend encountered such a problem in the project. He entered the amount in several text boxes and then displayed the calculated results between them in a text box to display the results, in addition, every time you enter a number, it is calculated immediately and displayed in the text box of the displayed result. The best way is to use JavaScript, Code As follows: 1 Html > 2 Head > 3 Script Language = "

Dynamic title of a webpage using javascript (the title of a webpage above the browser) I searched the internet for a method to implement dynamic titles. The main search function is document. title. This function indicates the webpage title. Test code: The dynamic function is used as setTimeout. This function accep

This article mainly introduces how to implement the dynamic display of date and time in JavaScript. It involves related techniques related to the regular operation of page element Attributes Based on Time functions, which is very simple and practical, for more information about how to use JavaScript to dynamically display date and time, see the example in this ar

Javascript jsp page Dynamic Display System Time Test available Multi-browser pass test (1), javascriptjsp JSP is different from javascript in different browsers. How can we test it? There is no accuracy. Nowadays, browsers of various vendors are quite different. When writing code, we should always consider these things. Some things are different, and no company

Javascript jsp page Dynamic Display System Time Test available Multi-browser pass test (2), javascriptjsp JSP page dynamic display time The getTime () function defined in script code is not called. Of course it will not be displayed.If you want to keep Dynamic Display during page loading, you can addWindow. onload =

HTML is responsible for providing tags, marking the data for encapsulationCSS is responsible for providing style attributes, defining the style of the dataThe DOM is responsible for parsing content such as tagged documents and tags into objects, and defining properties and behaviors in objects, and directing objects to do things. JAVASCRIPT is responsible for the behavior of page pages (how to move), the embodiment of

The project needs to use dynamic loading CSS files, sorted out, and by the way the dynamic loading JS function written an object, first code: var dynamicloading = { css:function (path) { if (!path | | | path.length = = 0) { throw new Error (' argument ' path "I s required! '); } var head = document.getElementsByTagName (' head ') [0]; var link = document.createelement (' link '); Link

Javascript + CSS achieve Flash dynamic news effect (pp original) [Ctrl + A select all Note: If you need to introduce external Js, You need to refresh it to execute]

inserted label is automatically listed by default in all child nodes then we need to New method to control where elements are inserted; element insertion Position setting:Insertbofore () method: This method inserts a new element into the front of an existing element;Format: parentelement (parent element of the target element). InsertBefore (Newelement (new Element), Targetelement (target Element))Introduction: ParentNode: Gets the Parent object in the document hierarchyTip: You don't need to

Javascript script for implementing dynamic CSS skin replacement technology

-detached, the front-end of the request is often by clicking on a hyperlink, then the browser takes over the subsequent, the browser makes a request to obtain data and refresh the entire page, the backend is to receive the request, by the PHP such a back-end script directly output a full HTML page. Then Ajax comes, is triggered by Javascript script events, controllable to let the browser under certain conditions to make a limited number of request hea

Use JavaScript to dynamically display time on a pageJavaScript case THREE: Dynamic display time