cytoscape js

This article describes the JS implementation of the hidden sibling elements, only the content of the JS file display method. Share to everyone for your reference, specific as follows: The demo.html file here will briefly display the elements of the same level as the JS file after it is opened, and display the contents of the Demo.js file at the same level. The s

Most of the time may use JS to get the current time, and then based on the year, month, day to regroup into the string you want, now I want to get the current time in the form of the 2011-05-06, JS getFullYear () can return, getmonth () only returns the integer from 0-11, GetDate () returns the integer from 1-31, that how to get to 05 and 06 of such strings in a relatively simple way, In substr and substrin

Because the JS URL in the process of passing value is JS own default character set code rules, we must turn it into our own code specifications -------------using Url=encodeuri (encodeURI (URL)) in WebSphere; 2 times encodeURI Test succeeded, the first conversion did not attempt, Processing method One. JS Program code: Url=encodeuri (URL); Note that the entire UR

This article mainly introduces node. in js, You Can format numbers to add thousands of characters. This article provides three implementation methods and provides the instance Code respectively. For more information, see the processing method separated by commas (,). Regular Expression mode: The Code is as follows: "15000000 ". split (""). reverse (). join (""). replace (/(\ d {3})/g, "$1 ,"). split (""). reverse (). join (""); "115000000". split ("

This article mainly introduces node. buffer in js. the usage of the copy method. This article introduces the buffer. copy method description, syntax, receive parameters, use instances, and implement Source Code. For more information, see Method description: Replace the buffer. Copy data from the source buffer and replace it with the specified location of the target buffer. Syntax: The Code is as follows: Buffer. copy (targetBuffer, [targetS

This article mainly introduces node. emitter in js. the usage of the on method is described in this article. on Method description, syntax, receive parameters, use instances and implementation source code. For more information, see Method description: Registers a listener for a specified event. Syntax: The Code is as follows: Emitter. on (event, listener)Emitter. addListener (event, listener) Receiving parameters: Event (string) event TypeThe call

This article mainly describes how to use the path. dirname method in node. js. This article describes the method description, syntax, usage examples, and source code implementation of path. dirname. For more information, see Method description: Returns the path directory. Similar to UNIX directory commands. Syntax: The Code is as follows: Path. dirname (p) Because this method belongs to the path module, You need to introduce the path module (var p

This article describes how to use the path. isAbsolute method in node. js. This article describes the method description, syntax, examples, and source code implementation of path. isAbsolute. For more information, see Method description: Checks whether the path is an absolute path. An absolute path will be resolved to the same location, whether in the working directory or not. Syntax: The Code is as follows: Path. isAbsolute (path) Because this me

This article mainly introduces Custom Event instances in node. js. A simple example. For more information, see the EventEmitter that inherits events, then you can register the event through the on; emit triggers the event and removeListener removes the event. A simple example is as follows: Var util = require ('util'); var Et = require ('events '). eventEmitter; function Ticker () {var self = this; setInterval (function () {self. emit ("tick")

Details about js asynchronous file loaders and js asynchronous loading. Details about js asynchronous file loaders, details about js asynchronous loading we often encounter this scenario, some pages depend on third-party plug-ins, and these plug-ins are relatively large, it is not suitable for details about

This is the first article in the Node. js Study Notes series. It mainly explains how to install Node. js on Windows and Linux. The software installation version 0.12.0 is used as an example. I hope you will like it. Simply put, Node. js is the JavaScript running on the server. Node. js is a platform based on Chrome Ja

JS Beginners are mostly not aware of its powerful object-oriented programming features, just JS as a simple and practical scripting language to use. Because of this, JS programmers are often in the programmer despise the lowest end of the chain, many people think that JS is a language of HTML, and even the language is

After reading this article in detail, you can optimize it for a long time. Most of the JS optimization methods cannot be separated from these three methods. (The total page size is 155.k, and JS accounts for 100.3 K) It's time to optimize JS. There are already many articles on JS optimization, most of which are highl

This article is mainly to JS get the current address JS get the current URL of the sample code is introduced, need friends can come to the reference, I hope to help you. nbsp; Code as follows: ; nbsp;

Build a simple Chat program using node. JS and Socket.ioCreate a folder under the node. JS root Chat, add two files inside: App.js and index.htmlApp.jsvarFS = require ('FS'), HTTP= Require ('http'), Socketio= Require ('Socket.io'); varServer =Http.createserver (function (req, res) {Res.writehead ( $, {'Content-type':'text/html'}); Res.end (Fs.readfilesync (__dirname+'/index.html'));}). Listen (8080, functio

Server.js/*The following code will be explained in detail below.*/varExpress = require (' Express ');//used to introduce express modulesvarApp = Express ();//Express Instance ObjectApp.set (' Port ', Process.env.PORT | | 3000);varFavicon = require (' Serve-favicon '));//Server.jsvarTOUSD = require ('./routes/tousd.js '));//App.use (TOUSD.AAA);//Console.log (TOUSD.AAA ())//Console.log (TOUSD.BBB ())App.use (TOUSD.BBB);//set Port toApp.get ('/',function(req, res) {//set the route of the home page

DemandThe list is sorted by an ID first, followed by an attribute with the same ID. Final Display effect:Implementation codevar Data.Items =[{' brand_id ':1,' farm_id ':2}, {' brand_id ':1,' farm_id ':3}, {' brand_id ':2,' farm_id ':4}]function Multisort(Array,...compairers){ return Array.Sort((A,b= { for(ConstC of Compairers){ ConstR= C(A,b; if(r!== 0){ returnR; } } });}Multisort(Data.Items,(A,b= a.brand_id - b.b

1. JS data types are divided into: numeric, Boolean, stringWith typeof you can see what the specific data type is.Example:2.js composite data type: divided into arrays, objects3. Special data type: null, var a=null;Undefine4.parseInt (); cast into integers;5. A+=90 =>a=a+90;B+=a =>b=b+a;B%a modulo, that is to take the remainder

I was in the debugging code, with the execution of JS code, generally by using alert in the code block to view the implementation of the JS code, today is also to see friends using the Console.log function to print output functions, variables, objects, The following is used to record the use of Console.log, the specific syntax is: Console.log ("value is:", FN); Console.log () Can output variabl

parameters: If (engine implements invocable) ((invocable) engine). Invokefunction ("Afunction", param1, param2); If the scripting language is Object oriented, you call can a as this: Code View: ((invocable) engine). InvokeMethod (Implicitparam, "Amethod", explicitParam1, EXPLICITPARAM2); 6) Compiling a Script Reader reader = new FileReader ("Myscript.js"); Compiledscript script = null; If (engine implements compilable) Compiledscript script = ((compilable) engine). compile (reader); if