Node. js Lesson 2 (Getting Started)

Prepare Example 1. input console. log ('Hello World') in a text editor and save it as helloworld. js. Open the dos window and enter the directory of the file to run node helloworld. js execution shows the output helloworld2.Node. js command line

JQuery toggleClass (Example 1)

1, first go to the jQuery official website to download js library, URL for http://jquery.com/ 2. Create a jQuery sample project. 3. Place the js library in the jQuery sample project. 4. Write an html page Insert title here horizontal menu 1

Node. js Development Platform

1. EDP: an enterprise-level development platform based on Node. JS and NPM What is EDP? EDP is an enterprise-level front-end application development platform based on Node. JS and NPM. It is mainly used through command lines. EDP provides a series

JS operation JSON

Json2.js JSON string:Var str1 = '{"name": "cxh", "sex": "man "}';JSON object:Var str2 = {"name": "cxh", "sex": "man "}; 1. convert a JSON string to a JSON object To use str1 above, you must use the following method to first convert it to a JSON

Post-PSD Era)

After the web designPSDIs it time? Throughout my career, I often see that very talented designers waste a lot of time creating a PS design paper with all the details of the website. pixels are marked, detailed effects are easily displayed, printed

Summary of common html elements

1. Basic Structure: 2. Document Type: (1) HTML 4.01 (2) HTML5 (3) XHTML 1.0 3. header: (1) Character Set (2) Introduce JS (3) Introduce CSS (4) set the default redirect (5) set search engine information 4. Subject: (1) Basic Content

JQuery web page Tab

Let's take a look The above results are actually very simple, and the Code does not need much, as long as you have jQuery and css layout. Select.html webpage tab men's Women's Wear Children's wear exquisite men's wear, here,

WebRTC support for TeleMCU Video Conferencing System

This article original from the http://blog.csdn.net/voipmaker reprint indicate the source. The latest TeleMCU video conference has added support for the WebRTC standard. Users can directly participate in the video conference through browsers that

Ajax: a method for obtaining and displaying Json data

This article mainly uses json to interact with Ajax data at the front end in java. 1. First, the front-end uses Ajax. Note that dataType must select the json mode. The Json content returned by Action to the page is [{"number": "V006 ", "names":

Node. js environment Setup & amp; npm configuration (win7)

Zookeeper Node. js official: http:/nodejs.org Select the appropriate installer or installation package based on your PC and operating system. After the installation is complete, the corresponding executable commands will appear, but these commands

Node. js Lesson 1 (Introduction)

Worker 1. What is Node. js? Node. javascript is not an independent language. It is different from PHP, java, and ,. net is a different development language and platform. It is not the javaScript framework jquery, nor is it the library ExtJs of the

Jsp c: foreach description

Value = "$ {bid. custAccount. custInfo. name}"> Var = "p1" value = "$ {fn: substring (str, 0, 1)}"> Var = "p2"Value = "$ {fn: substring (str, fn: length (str)-1, fn: length (str)}"> ***** Here we mainly look at the attribute varStatus

An Extjs4 message prompt box written by a foreign Daniel

I. usage requirements Version Required by extjs4: extjs4.0.2 + Browser requirements: IE8 +Ii. Code Paste my code hierarchy here Page code Ext. ux. window. notification-Examples and documentation Notification extension for Ext JS 4.0

Multi-Dimensional Image Display

I saw newtonrunning, a website on Awwwards, and liked the menu Switching Effect and the multi-dimensional display effect of shoes. Then I could not help but copy a multi-dimensional image display effect, you can enjoy the effect, study online, and

2014 first game of the US preliminary round of Programming

Question 1: focal length time limit: 256 ms single point time limit: Ms memory limit: MB Description In general, we adopt a pinhole camera model, that is, we think it uses the principle of small hole imaging. In the camera coordinate system,

Unity3d uses NGUI for spherical 3D Rotation UI

Because the work needs to study NGUI to make a spherical three-dimensional rotation UI, initially made a prototype, and now I will share with you, if I have any mistakes or do not do well, please point out and give me some suggestions. Here I use

Msg mail to eml mail

Because messages in msg Format can only be opened by the outlook client, foxmail client cannot be opened, while emails in eml format can be opened by both clients. This document uses the Aspose. Email. dll library to convert messages in msg Format

Depth and width of a binary tree based on the Basic Python Sorting Algorithm

Next, I wrote the code for finding the depth and width of a binary tree using python to find the depth and recursion. I used the queue to find the width and then the width of each layer, the greatest value is the width of the binary tree, as shown

Why is split in Python regular expressions?

Is there any way to split the string, such S = "aa: bb: cc: dd: ee" Use regular split and string split to get the following results: ['A', 'bb ', 'cc', 'dd', 'ee'] However, if the string is S = "aa +: bb: + cc:-dd :! Ee" So how can

2014 Alibaba intern test questions

1. single answer (10*2 '+ 10*3', 1 point for incorrect selection) 1. Assume that the ip address of a host is 192.168.5.121 and the subnet mask is 255.255.255.255.248. Then, the network number (including the subnet number) of the host is -- A.192.168.

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