Archie  Clayton

Archie Clayton


10 JavaScript Utility Libraries you Should Know in 2020

In this post, you’ll see top 10 useful Javascript utility libraries to speed your development.

As Javascript remains the most popular and widely used programming language in 2019, so grows the ecosystem around it.

10 JavaScript Utility Libraries you Should Know in 2020

Still, Javascript’s small “standard library” is expected to stay this way. To fill the gap, many popular utility libraries have grown on GitHub in the past few years. Here is a short list of useful and highly maintained libraries.

1. Underscore & Lodash (dah)

Most of you probably already know them. Underscore was built to provide utility functions for common tasks in Javascript. Lodash, NPM’s most downloaded and most dependent-upon package, was built to provide more consistent cross-environment iteration support for arrays, strings, objects, and arguments objects. It has since became a superset of Underscore, and both are maintained by the same core contributors. Should definitely be in your stack:


2. Ramda

At over 12K stars, this JS utility library is designed for functional programming, making it easy to create functional pipelines that don’t mutate user data. Immutability and side-effect free functions are at the heart of its design philosophy. All functions are automatically curried, and passed parameters are arranged accordingly for ease of use.


3. MathJS

At 6K stars, Math.js is an extensive math library for JavaScript and Node.js, which is compatible with JavaScript’s built-in Math library. The library contains a flexible expression parser, is able to perform symbolic computation, and comes with a large set of built-in functions and constants. You can even extend it yourself.


4. Moment/date-fns

At nearly 40K stars, moment.js is a JavaScript date and time manipulation library for parsing, validating, manipulating, and formatting dates. Moment was designed to work both in the browser and in Node.js. As of v 2.10.0 the code is written in ECMAScript 6 modules.

Date-fns is a growingly popular (11K stars, over half a million weekly NPM installs) time manipulation library for Javascript, chosen by many developers to replace moment.js (see comparison) providing over 130 functions to manipulate dates in the browser and Node.js. Date-fns is built using pure functions and keeps things immutable while not changing passed date instances. It works well with bundlers such as webpack, Browserify, or Rollup and also supports tree-shaking.

GitHub and date-fns

5. Sugar

At 3.5K stars, Sugar is a Javascript utility library for working with native objects. Custom builds and modularized npm packages let you use only what you need (can also be combined with Bit), and users can define methods or use plugins to handle specialized use cases. Worth checking out.


10 JavaScript Utility Libraries you Should Know in 2020
sugar.js in action

6. Lazy

At 5K stars, lazy.js is a functional utility library for JavaScript with a lazy engine that “strives to do as little work as possible” while still being flexible enough. The library has no external dependencies, and here’s a live demo of testing DOM events as a sequence. Here are the API docs to get started.


7. CollectJS

At 3.5K stars, collect.js is a very promising and dependency free wrapper for working with arrays and objects in Javascript with dozens of useful functionalities in and API which is (almost) identical to Laravel Collections 5.5. The library is actively maintained, and is worth keeping an eye on.


8. ChanceJS

Chance is a minimalist generator of random strings, numbers, etc. to help reduce some monotony, while writing automated tests or anywhere else you need anything random. At only 3K stars, this library is surprisingly useful as we tend to repeat our patterns when asked to generate random things.


9. ChartJS

At nearly 40k stars, chart.js is a great example of how sometimes less is more with 8 different data visualization types, each of them animated and customizable. Chart.js lets you create simple HTML5 Charts using the tag, with great rendering performance across all modern browsers. Definitely one of the most useful and elegant libraries on the list.


10 JavaScript Utility Libraries you Should Know in 2020
Polar Area visualization with chart.js

10. Polished

At 3.5K stars, authored by the styled-components team, Polished is a great lightweight toolset for writing styles in JavaScript with Sass-style helper functions and mixins. The library is compatible with styled-components, Aphrodite, Radium, or plain inline styles. This personal favorite is available on GitHub, and all single functionalities were made available in Bit’s community (non-official) so they can be individually installed/imported and used.


#javascript #web-development

What is GEEK

Buddha Community

10 JavaScript Utility Libraries you Should Know in 2020
Brain  Crist

Brain Crist


Citrix Bugs Allow Unauthenticated Code Injection, Data Theft

Multiple vulnerabilities in the Citrix Application Delivery Controller (ADC) and Gateway would allow code injection, information disclosure and denial of service, the networking vendor announced Tuesday. Four of the bugs are exploitable by an unauthenticated, remote attacker.

The Citrix products (formerly known as NetScaler ADC and Gateway) are used for application-aware traffic management and secure remote access, respectively, and are installed in at least 80,000 companies in 158 countries, according to a December assessment from Positive Technologies.

Other flaws announced Tuesday also affect Citrix SD-WAN WANOP appliances, models 4000-WO, 4100-WO, 5000-WO and 5100-WO.

Attacks on the management interface of the products could result in system compromise by an unauthenticated user on the management network; or system compromise through cross-site scripting (XSS). Attackers could also create a download link for the device which, if downloaded and then executed by an unauthenticated user on the management network, could result in the compromise of a local computer.

“Customers who have configured their systems in accordance with Citrix recommendations [i.e., to have this interface separated from the network and protected by a firewall] have significantly reduced their risk from attacks to the management interface,” according to the vendor.

Threat actors could also mount attacks on Virtual IPs (VIPs). VIPs, among other things, are used to provide users with a unique IP address for communicating with network resources for applications that do not allow multiple connections or users from the same IP address.

The VIP attacks include denial of service against either the Gateway or Authentication virtual servers by an unauthenticated user; or remote port scanning of the internal network by an authenticated Citrix Gateway user.

“Attackers can only discern whether a TLS connection is possible with the port and cannot communicate further with the end devices,” according to the critical Citrix advisory. “Customers who have not enabled either the Gateway or Authentication virtual servers are not at risk from attacks that are applicable to those servers. Other virtual servers e.g. load balancing and content switching virtual servers are not affected by these issues.”

A final vulnerability has been found in Citrix Gateway Plug-in for Linux that would allow a local logged-on user of a Linux system with that plug-in installed to elevate their privileges to an administrator account on that computer, the company said.

#vulnerabilities #adc #citrix #code injection #critical advisory #cve-2020-8187 #cve-2020-8190 #cve-2020-8191 #cve-2020-8193 #cve-2020-8194 #cve-2020-8195 #cve-2020-8196 #cve-2020-8197 #cve-2020-8198 #cve-2020-8199 #denial of service #gateway #information disclosure #patches #security advisory #security bugs

Rahul Jangid


What is JavaScript - Stackfindover - Blog

Who invented JavaScript, how it works, as we have given information about Programming language in our previous article ( What is PHP ), but today we will talk about what is JavaScript, why JavaScript is used The Answers to all such questions and much other information about JavaScript, you are going to get here today. Hope this information will work for you.

Who invented JavaScript?

JavaScript language was invented by Brendan Eich in 1995. JavaScript is inspired by Java Programming Language. The first name of JavaScript was Mocha which was named by Marc Andreessen, Marc Andreessen is the founder of Netscape and in the same year Mocha was renamed LiveScript, and later in December 1995, it was renamed JavaScript which is still in trend.

What is JavaScript?

JavaScript is a client-side scripting language used with HTML (Hypertext Markup Language). JavaScript is an Interpreted / Oriented language called JS in programming language JavaScript code can be run on any normal web browser. To run the code of JavaScript, we have to enable JavaScript of Web Browser. But some web browsers already have JavaScript enabled.

Today almost all websites are using it as web technology, mind is that there is maximum scope in JavaScript in the coming time, so if you want to become a programmer, then you can be very beneficial to learn JavaScript.

JavaScript Hello World Program

In JavaScript, ‘document.write‘ is used to represent a string on a browser.

<script type="text/javascript">
	document.write("Hello World!");

How to comment JavaScript code?

  • For single line comment in JavaScript we have to use // (double slashes)
  • For multiple line comments we have to use / * – – * /
<script type="text/javascript">

//single line comment

/* document.write("Hello"); */


Advantages and Disadvantages of JavaScript

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Hire Dedicated JavaScript Developers -Hire JavaScript Developers

It is said that a digital resource a business has must be interactive in nature, so the website or the business app should be interactive. How do you make the app interactive? With the use of JavaScript.

Does your business need an interactive website or app?

Hire Dedicated JavaScript Developer from WebClues Infotech as the developer we offer is highly skilled and expert in what they do. Our developers are collaborative in nature and work with complete transparency with the customers.

The technology used to develop the overall app by the developers from WebClues Infotech is at par with the latest available technology.

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Mya  Lynch

Mya Lynch


Top 5 JavaScript Libraries to Create an Organizational Chart

In this article, we’ll review five JavaScript libraries that allow you to create online organizational charts. To make this info useful for different categories of readers, we’ve gathered together libraries with different functionality and pricing policy. To help you decide whether one of them is worthy of your attention or not, we’ll take a look at the main features and check if the documentation is user-friendly.

DHTMLX Diagram Library

The DHTMLX diagram library allows creating easily configurable graphs for visualization of hierarchical data. Besides org charts, you can create almost any type of hierarchical diagrams. You can choose from organizational charts, flowcharts, block and network diagrams, decision trees, mind maps, UML Class diagrams, mixed diagrams, and any other types of diagrams. This variety of diagrams can be generated using a built-in set of shapes or with the help of custom shapes.

You can set up any diagram shape you need with text, icons, images, and any other custom content via templates in a few lines of code. All these parameters can be later changed from the UI via the sidebar options in the editor.

Top 9 JavaScript Charting Libraries

The edit mode gives an opportunity to make changes on-the-fly without messing with the source code. An interactive interface of the editor supports drag-and-drop and permits you to change each item of your diagram. You can drag diagram items with your mouse and set the size and position property of an item via the editor. The multiselection feature can help to speed up your work in the editor, as it enables you to manipulate several shapes.

The library has an exporting feature. You can export your diagram to a PDF, PNG, or JSON format. Zooming and scrolling options will be useful in case you work with diagrams containing a big number of items. There is also a search feature that helps you to quickly find the necessary shape and make your work with complex diagrams even more convenient by expanding and collapsing shapes when necessary. To show the structure of an organization compactly, you can use the vertical mode.

The documentation page will appeal both to beginners and experienced developers. A well-written beginner’s guide contains the source code with explanations. A bunch of guides will help with further configuration, so you’ll be able to create a diagram that better suits your needs. At the moment, there are three types of licenses available. The commercial license for the team of five or fewer developers costs $599, the enterprise license goes for $1299 per company, and the ultimate license has a price tag of $2899.

#javascript #web dev #data visualization #libraries #web app development #front end development #javascript libraries #org chart creator

Niraj Kafle


The essential JavaScript concepts that you should understand

As a JavaScript developer of any level, you need to understand its foundational concepts and some of the new ideas that help us developing code. In this article, we are going to review 16 basic concepts. So without further ado, let’s get to it.

#javascript-interview #javascript-development #javascript-fundamental #javascript #javascript-tips