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How to Get Coordinates of Shapes Like Triangle, Polygon On Canvas in JS?

See Below Code:   import { Component, OnInit } from '@angular/core'; import { fabric } from "fabric/dist/fabric.js"; @Component({ selector: 'app-p-five', templateUrl: './p-five.component.html', styleUr...

How to Convert Jquery Code in Javascript?

See Below:    var min = 99; var max = 999999; var polygonMode = true; var pointArray = new Array(); var lineArray = new Array(); var activeLine; var activeShape = false; var canvas $(window).load(function(){    ...

Meteor SocketIO Client-server Connection Not Established

I’m trying to connect a client app locally deployed to a server app I deployed to heroku, using socket.io. The app works great locally but I can’t establish the web sockets when deployed to heroku.   My server code: &nbs...

How to Start Developing a Web Application?

Hi there,   I am trying to create a Web Application but not sure where to start! Any ideas or any link for article or tutorial/video/post?   I know HTML, CSS, JS, Python, C and C++   Also, PHP, MySQL and MongoDB ...

Senior Front-end Developer Job Opportunity!

Senior Front-end Developer   We are looking for talented front-end programmers who attach importance to details. Wrocaw (Poland) Codemachine 10 000 - 15 000 PLN net / month   Your key skills: - technologies: Java...

Senior Node.js Developer Job Opportunity!

Senior Node.js Developer Wrocaw (Poland) Codemachine 10 000 - 20 000 PLN net / month   We are looking for talented Node.js programmers who attach importance to every detail.   Your key skills: - technologies: Nod...

Full Stack Developer wanted!

Full Stack Developer Wrocaw Codemachine 10 000 - 20 000 PLN net/month   Your key skills: - you have at least three years’ experience as a programmer, - you have a very good knowledge of Node.js, JavaScript, HTML5 a...

Four Easy Ways To Test Your NestJs Application Using Jest

As the top web programmers strive to remain at the forefront of the current changes in the developing world. Also, we strive to work with recent additions in terms of tools and software for web development that can improve software development. S...

Senior Front-end Developer Wanted!

We are looking for talented front-end programmers who attach importance to details.   Wrocaw (Poland) Codemachine 10 000 - 15 000 PLN net / month   Your key skills: - technologies: JavaScript, HTML5, CSS3 - nice-to-h...

Why You Should Stop Using CSS in JavaScript for Web Development

In these times, CSS has lost a lot of popularity. The community believes that CSS is an obsolete and unnecessary tool, and that is why they are increasingly betting on JavaScript and its frameworks. And that is a mistake. In this article I hope t...

Why Finding Quality JavaScript Developer is a Herculean Task?

The popularity of JavaScript is increasing by leaps and bounds while the availability of skilled and competent quality JavaScript developer is decreasing. It is really very tough to find experienced and good quality JavaScript developers today. R...

POST/GET Method not Working in Heroku with MongoDB / Node.js

I am deploying an small app that was working with my localhost but now on Heroku i am getting some problems with the GET and POST methods. I have tried investigating for several hours but haven't found the correct answer yet.   Bel...

Vue vs ReactJS - Which is Better Front-end Development Framework

Any developer will tell you that front-end development can be confusing especially with the new JavaScript libraries sprouting now and then. When a developer starts a project in an app development company in India, he or she faces a tough choice ...

Getting Error When Trying to Pass JSON PHP to JS with Ajax!

Hey, I'm in desperate need. I have made a JSON object with PHP named userAuth and I am trying to pass it to a JS file with Ajax, here is my PHP code (auth.php):   $userAuth->access = 1; json_encode($userAuth);   ...

React Native vs Real Native Framework Which is better for Mobile Apps?

  Today, the development of mobile applications is more important than ever, and there are many programmers dedicating more on mobile development for iOS and Android. This is the era of smartphones. According to Statista, mobile apps ...

How to Get the API Calling in AngularJS Application?

Assume that there are 3 APIs. Each API does exactly the same task(to give you weather details) but has different endpoints as follows: API 1: Can only be used for India. Has methods named requestWeather(), requestWeatherDataForWeek() ...

Why my Javascript Ajax Function Return False Always? How to Fix it?

I need to create ajax php registration page but i have some errors i could not solve.   The function (CheckExamineeNameAvailability AND CheckExamineeEmailAvailability) return false value even if the username or email were available ...

Dynamic Custom Checkbox Angular5

A checkbox is a GUI widget which allows user have to select or make a choice out of the two or more given items, such serious are handled by checkbox. But Angular5 has some different features lets see it along with the example to create Dynamic c...

JavaScript Validator for String Expression that Allow Arithmetic Expressions

I need a help in writing a validator in javascript or JQuery for a string expression that will allow arithmetic expressions like (),+,-,*,/,min(),max(),avg(). In the string, min(),max(),avg() should allow only two arguments. Sample string...

How to Run One JavaScript Function After Other Using Delays

First things first, I added the JS to the HTML so I don't have to attach multiple files. Hopefully this helps.   I've been having some trouble running one function that slowly displays a message, waits, then fades out. However,...

Why React.js Programming Framework is in Demand

React.js is a JavaScript framework launched in 2013. It has become one of the most in-demand frameworks in the technical world since then. Even after 5 years from the launch, developers prefer using React.js because of its simplicity, high-speed ...

How to Fix Javascript Code for Getting Href Content of a Link

I am trying to get the href content of a link that i click on with the class of sessionBtn.   Here is my code:  $('.sessionBtn').on('click', function (e) {   e.preventDefault();  var url_string &nb...

Angular CLI Application - Introduction, Installation & Creation

The Angular CLI is an essential tool used in JavaScript that helps to initialize, develop, structure and maintain Angular applications. In Angular CLI, CLI stands for Common Line Interface. In other words, Angular CLI is a common Line Interface t...

What's New in Angular 6 Framework - Top 6 Features Revealed

Angular.js is a google maintained framework that is basically a library written in JavaScript. It has recently launched Angular 6 that holds exciting features for web application developers. It will be hailed by most of the developers as the fram...

React Native vs. React.JS - Which is better for Mobile Apps?

Introduction Today, Mobile Development Companies and app developers need much better ways to develop web apps. Since more and more people are now using their mobile phones to surf the Internet than PCs or laptops, mobile app development has be...

Clone a division and creates a unique id for each created division

I want to clone a division and want that each sub division created should have a different id

5 JavaScript Techniques a Programmer Must Know

JavaScript is a vast platform. It covers many advanced programming techniques. If you are a beginner, it’s crucial for you to know a few JavaScript strategies. Without knowing them, it is quite tough to build complex JS applications. From v...

Why My Quiz Web App Not Displaying Result on Submit?

Every time I click the button to submit my answers the page refreshes and no grade is shown and I don't know why.   Any help would be greatly appreciated.   My code is below: <!DOCTYPE html> <html> <h...

Why isAuthenticated() Function In JavaScript App Always Returns False in express-passport?

The req.isAuthenticated() function of api.js always returns false regardless whether the user is logged in or not. This particular function doesn't seem to work. I don't know what to do. I am stuck on this for a long time.   I...

Configuring Basic Routing in Angular 4 JavaScript Application

In Angular Router is like an object that can be used in our app component to describe the routes we want to use. In Angular, there are three components that can be used to configure routing: * Routes:  It describes routes of the applicat...

Comparing Angular 2 Vs React In JavaScript Application Development

Dozens of libraries and frameworks in JavaScript are increasing in popularity. It has become overwhelming for the programmers to decide which one is right for their project. Among all new frameworks, Angular 2 and React are the most recommend fra...

AngularJS Web Development - Advantages & Disadvantages for Programmers

Angular JS is an open source framework for building web applications. Tech giant Google maintains it. Coders face many issues while developing and testing any code. It resorts many of the challenges which the coders may face. AngularJS mixes HTML...

Advanced JavaScript Objects: An Overview

JavaScript is one of the most powerful object-oriented programming languages used all over the world. This language uses the independent fragments of codes to build web applications. These fragments are known as objects that usually work as build...

JavaScript Library that Never Lets Developers Down - Why is jQuery so Popular and Lovable?

What do you do if you have to add some cool animation effects to your website? Unless the answer is use jQuery, you are taking the long road home. This very powerful JavaScript library can change the way you look at website design and the way you...

7 Useful JavaScript Hacks for better Coding - Tips to Web Developers

JavaScript is one of the most famous programming languages among programmers.  Conquering JavaScript is a never ending trend in the market. Here are 7 tips and tricks for programmers to master JavaScript -   !! Operator - Boole...

8 Development Tips to Build Better React.JS Applications in 2018

For a JS developer, availability of vast libraries and frameworks can be overwhelming. As JavaScript is vast, users can pick a wide array of tools that pop up regularly. Among these, react.js is an interesting framework for building user interfac...

Overview of INI Files in Your Node.js Applications

What if you build your configuration files using pure JavaScript and unknowingly it gets deleted while modifying a few changes. Well, such incidents can be avoided by using INI configurations. If you are building a Node.JS application INI is a mu...

How to Understand Semantics Bootstrap Package so as to Edit JS?

Having a hard time understanding this bootstrap package. I used NPM to install it. I've done everything in the doc file (which is pretty limited). I'm trying to use the search dropdown. I want to edit the JS because putting it in the HTML...

While creating PHP login script using Javascript Ajax, Why I ain't getting response?

create php login script using javascript ajax ? i have this script for php login and i need to use ajax to login the users but i can not make it work i can't get response form processing page and i use alert function to alert response text...

React JS Programming Benefits for Developers to Earn More

The React developer salary has escalated as React JS continues to improve the way developers create web applications. React JS is a JavaScript library for building user interfaces. It has grown to be one of the most widely used JavaScript librari...

4 Quick Steps to Create Dashboard in AngularJS Application

Creating dashboard in angular tutorial   A Dashboard is a page or a user interface in which information and other functions/pages of a website is provided in such a way that is easily accessible, understandable and readable. So in...

How to Perform Basic Routing in Angular 4?

Routing is used to separate parts of application by using URL to for location path. Angular Router is used to navigate from one view to another as performed application tasks by user.     In Angular, there are three main co...

How to do styling of a page header layout to fit in tablet & smart phones?

I have this page header and i need to make responsive so it can fit in tablet and smart phones and i need to direct form right to left and how can i use pure javascript to achive that (no Jquery needed)    <!DOCTYPE html> ...

How to use Cordova Push Notification Plugin with Google Firebase Cloud Messaging

Cordova push plugin with firebase is used to send notifications in both android and iOS devices. This plugin can be used for Cordova applications with Google Firebase FCM. You can send notifications to one or multiple devices with this plugi...

How to Resolve Uncaught ReferenceError: TrialScript is not defined

<html> <head> <Title>Demo Script</Title>  <script type="text/javascript">                 function TrialScript()            ...

Converting Java Apps to JavaScript Using CheerpJ

If you want to convert Java application into JavaScript, CheerpJ might be the best tool to do so. CheerpJ melds Java and Web development. It can convert Java applications or libraries into JavaScript and here comes the best part, to do so you don...

Cordova Picture Background Plugin to Capture Image without User Interaction

Cordova is a mobile application development framework Owned by Adobe System, it was first created by Nitobi but in 2011 Adobe System acquires/purchases it.  Earlier Crodova is known as PhoneGap. It is a free and open source version of Apache...

How to capture image from front camera in backend on button click using phonegap?

I Want to learn about how to capture image on login button click from the front camera of smartphone without knowing user and display the pic on the next page. For development I am currently using PhoneGap. Please help.

Aurelia, Angular2 and React - Top 3 JavaScript Frameworks with Merits and Demerits

  Lately, JavaScript was revered as the most important programming languages to learn in the year 2017 by IBM. As it is used on both client and server sides and enables a developer to enrich web apps, real-time modification of web pag...

List of Top 10 Node.js Frameworks for Beginner Web Developers

JavaScript is one of the most popular language for front-end developers. While there are others languages too like CoffeeScript, TypeScript but nothing can beat JavaScript. Earlier JavaScript was widely used to front-end development but after the...
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