Nodejs Note 2 -- Request route

For different URL requests, the server should have different responses. We need to provide the request URL and other required GET and POST parameters for the route. Then the route needs to execute the corresponding code based on the data. All the

Several useful javascript verification scripts

Function isNum (num, low, hi ){If (isNaN (num) | num hi) return false;Return true;} Function isValidIP (v ){Nums = v. split (".");If (nums. length! = 4) return false;For (j = 0; j If (! IsNum (nums [j], 0,255) return false;}Return true;} Function

JavaScript Modal Dialog Box class

*** JavaScript ModelDialog v0.1** New ModelDialog ({* Title of the caption title dialog box (default)* Template subject content (default)* DialogCls dialog box className md-dialog (default)* HeadCls header className md-head (default)* BtnCloseCls

Javascript and cookie Problems

I have never paid attention to one problem when I used js to read and write cookies: The same key value. different domains (such as locahost.dev.xxx.com, dev.xxx.com, and xxx.com) can exist in cookies at the same time, document. cookies can read

JavaScript event. keyCode key-value table js captures keyboard keys

Keycode 8 = BackSpaceKeycode 9 = TabKeycode 12 = ClearKeycode 13 = EnterKeycode 16 = Shift_LKeycode 17 = Control_LKeycode 18 = Alt_LKeycode 19 = PauseKeycode 20 = Caps_LockKeycode 27 = EscapeKeycode 32 = spaceKeycode 33 = PriorKeycode 34 =

JavaScript refactoring (III): JavaScript Testing

During JavaScript refactoring, I hope to introduce an easy-to-use testing framework to ensure smooth refactoring. In the future, I will continue to use the testing code to ensure the correctness of the JavaScript

JavaScript refactoring (8): JSDoc and JSLint

JSDoc can generate API documents similar to JavaDoc, which is essential for front-end development.  Download jsdoc-tookit (http://code.google.com/p/jsdoc-toolkit/) and jsdoc-tookit-ant-task (http://code.google.com/p/jsdoc-toolkit-ant-task/), the

JavaScript implements the map drag function SpryMap

SpryMap is an independent and lightweight JavaScript class library that does not depend on any other JS framework. Using it, you can easily achieve drag effects similar to those of Google and Baidu maps. SpryMap is a good choice for displaying large

Use D. O. H to test Javascript applications (2)

In the previous chapter, "Use d.o. H for Javascript Application Testing (I)" uses firebug and Javascript injection technology to quickly demonstrate the functions and basic usage of d.o. H. Mainly:

Value assignment for CheckBox, RadioButton, and DropDownList in Jquery

As Jquery becomes more and more useful, more and more friends are using it. In the Web, because the CheckBox, Radiobutton, DropDownList, and other controls are frequently used, they are related to the operations of these controls in Jquery. The

Javascript Object learning notes (2)-object prototype, inheritance

The rectangle () function is used as an example.1. Simple FunctionsFunction rectangle (w, h ){This. width = w;This. height = h;}Var test = new rectangle (); create a simple rectangle object, including the width and height attributesAn additional

A bug in FireFox and FireBug

  A few days ago, when I explained the javascript pre-resolution mechanism with my friends, I gave the following sample code:     Var a = 1; Function (){ Alert (1111 ); };   Alert ();   Undoubtedly, the result should be pop-up 1. Simply put, when

Example of loop in js

  Multiplication // For (I = 1; I   // For (j = 1; j   // Document. write (I + "*" + j + "=" + (I * j) + "& nbsp "); //} // Document. write (" ");   //} /* * *** *****   */   // For (I = 1; I   // For (j = 1; j   // Document. write ("*"); //} //

Javascript1.7 new syntax

  Web technology has developed rapidly over the past two years. As the development environment changes, we can also use new technologies to increase productivity. Javascript1.6 adds a series of new methods to the array, which may be familiar to

Summary of js call background and background call foreground Methods

1. Execute functions in C # code in javaScript Functions:Method 1: 1. Create a button to write the called or processed content to button_click in the background;2. Write a js function on the front-end. The content is document. getElementByIdx_xx

Jquery: when to start execution of EN en. ready ()

When does documen. ready () start execution? After all DOM structures in the web page are drawn, they are executed. Can be abbreviated as: $ (function (){});   But let's look at this Code:    Content was drawn by ourselves later! DOM does not have

Page turning of JavaScript books-20Things_PageFlip_Example

If you have read the website designed by Google , you will surely enjoy the page flip simulation. Many technical blog said the site source code released: http://code.google.com/p/20thingsilearned/ However, the download link cannot be found. After

Batch Delete using jquery ajax

Js page jquery code: [Html]// JavaScript Document$ (Document). ready (function (){// Select all$ ("# AllChk"). click (function (){$ ("Input [name = 'subchk']"). prop ("checked", this. checked );});// Single answerVar subChk = $ ("input [name =

C # comparison between Hashtable and Dictionary of the key-Value Pair type and related usage

Recently, when using Hashtable and Dictionary in C #, I want to know the difference. I will make the following summary by searching relevant blog materials on the Internet. Both Hashtable and Dictionary use different data structures as the carrier

Click the left and right buttons to scroll the image horizontally. jquery

Click the left and right buttons to scroll the image horizontally. jquery will scroll four times at a time. After the image is finished, it will automatically return to the first layout: As follows:     [Html] click the left and right buttons to

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