JavaScript

Problem: When the fixed element is included by another fixed element, the position of the fixed sub-element in chrome will be affected by the parent element. Demo (http://jsbin.com/qumah/1 ): JS Bin fixed positionfixed child position

An error occurred while using mongodb for Express. // Settings. js Module. exports = { CookieSecret: "xxxx ", Db: "dbname ", Host: "localhost ", } // App. js Var express = require ("express "); Var settings = require ("./settings "); Error code

How can I use javascript to determine whether the requested url/link is valid (connectable and available )? Introduction There is an address book system deployed on several servers at the same time, but there is a Address Book link on the home page

& Amp; bull; scope o global scope o local scope & amp; bull; Scope Chain & amp; bull; Execution Context & amp; bull; Activity object & amp; bull; the closure & bull; closure optimization JavaScript shows a concept that has never been learned before &

& Lt; style & gt; html, body {font-size: 12px; margin: 0px; height: 100% ;}. mesWindow {border: #6661 pxsolid; background: # fff ;}. mesWindowTop {border-bottom: # eee1pxsolid; margin-le   Script Var isIe = (document. all )? True: false; // Set the

Today, GBin1 brings you a piece of code that is very practical from fontdragr.com and can help you modify the font of website pages in real time. This code snippet can help the web designer modify the website page font in real time, or directly

Javascript is a flexible language that allows us to simulate many machine mechanisms in object-oriented programming. The full use of object-oriented design ideas in JS can greatly improve code reuse, reduce coupling between modules, and improve

Modify the fruit Database: the topic list is required to change the online data query mode as the result type changes. In the results type drop-down box, add the change () event to trigger Dwr and query the topic set & mdash; the summary code of

I have recently finished reading "High Performance JavaScript" Example Recently read the high performance JavaScript http://book.douban.com/subject/5362856/, intends to write a series of articles to consolidate the knowledge point, although the tool

If you do not understand it, you can see it clearly. If you do not understand it, it will flash. [Javascript] $ (function () {document. oncontextmenufunction () {returnfalse;} // right-click document. onmousemovemouseMove; // record the mouse

There are three methods to define a function in Javascript: function statement: functionfnMethodName (x) {alert (x);} function literal (FunctionLiterals): varfnMethodNamefunction (x) {alert (x);} Function () construction... There are three methods

1. javascript is a weak type and does not distinguish between numeric types. The variables 2, NaNNotaNumber3, and Alert (234 + 123) are defined with Var, and 234123 are returned. Weak type bias. + Conversion to string type 4, Alert (1 + 2 + 3 + 4 + 5

Closure is a difficult and characteristic of Javascript language. Many advanced applications rely on closures for implementation. 1. To understand the scope of variables, you must first understand the special scope of variables in Javascript.

What is AutoComplete and Use Case AutoComplete: the AutoComplete control of the text box is similar to the function provided by the Google search input box. Why is there such a function, because users are very lazy Autocomplete,

When closing the window with JS Code, you will be prompted that the webpage you are viewing is trying to close the window. Whether to close this window in IE6 can be solved by setting the opener attribute value of the form before close. The sample

1 & lt; html & gt; 2 & lt; head & gt; 3 & lt; title & gt; test HTML to export content to WORD & lt;/title & gt; 4 & lt; scripttype & quot; text/javascript & quot; language & quot; javascript & quot; & gt; 5 // import the content of the specified

Socket. the io client is very elegant in event processing, which is similar to weboscket's limited javascript interface, but supports more custom events: varsocketio. connect (& amp; #39; http: // localhost: 9000/chat & amp; #39;); socket. on (& amp;

The previous articles briefly introduced AngularJS, which is an important concept in AngularJS directive (directive). It is mainly responsible for most of the interactions between build styles. Previously, we introduced that directive needs to

The cause of this error is that the corresponding class is not inherited. The Code is as follows: [javascript] Ext. define (& amp; #39; SMS. view. tabPanel & amp; #39;, {// extend: & amp; #39; Ext. tab. panel & amp; #39;, // initComponent: funct

I have been busy for a long time and haven't written anything. I have just mentioned some paragraphs recently. I 'd like to share all the plug-ins I have written in the past, I hope it will be helpful to everyone, and I hope some experts can help me