Author Archives: Dhananjay Kumar

Delivering two talks at Devfest Gandhinagar 2019

Ahmadabad is always very close to me as I did my first public speaking in this city back on 24 July 2010.  Since then I have been trying to do at least one workshop or talk each year here, so continuing the ritual, I am again coming to Ahmadabad/Gandhinagar on 13th October to speak inContinueContinue reading “Delivering two talks at Devfest Gandhinagar 2019”

Simplifying Maps in the JavaScript

Maps is a data structure, which stores the key/value pair in an ordered way.  Since the inception of the JavaScript, objects are primarily used for the map.  Consider the below code listing:   To store two key/value pairs, we have created an object foo and using the keys such as id and color to retrieveContinueContinue reading “Simplifying Maps in the JavaScript”

Announced- geek97 step by step Angular Bootcamp on 5-6 October in Gurgaon

To attend register here: https://forms.gle/JSbp3yknZ7scr9BP7 Many of you asked me to host a Bootcamp in Delhi/NCR. I got motivated by your constant request, hence decided to give a try. For geek97, I am hosting the next Bootcamp in Gurgaon on 5-6 October. Details To attend register here: https://forms.gle/JSbp3yknZ7scr9BP7  and for any clarification send me aContinueContinue reading “Announced- geek97 step by step Angular Bootcamp on 5-6 October in Gurgaon”

Hosted Angular Bootcamp in Jabalpur for Taritas software

Angular is becoming more popular with each passing day in India. Companies of different sizes are using it to deliver the project for their customers.  One such company Taritas  . They have offices at multiple locations and with clients all across the world. They invited me on 21-22 September to host a 16 hrs longContinueContinue reading “Hosted Angular Bootcamp in Jabalpur for Taritas software”

Why you need Proxy objects in JavaScript

JavaScript is not truly Object Oriented language, hence implementing requirements as stated below could be challenging. For example, Throw an error if the setting value of a property does not satisfy a particular condition If the property does not exist on set some default value instead of undefined If the property does not exist onContinueContinue reading “Why you need Proxy objects in JavaScript”

Step by Step implementing Two-Way Data Binding in Vanilla JavaScript

Data Binding is one of the most important features of all the frameworks. It ensures that the data model and the views are in sync with each other. It is very fundamental feature of any MV* frameworks such that Model-View-Controller, Mode-View-ViewModel, and Model-View-Presenter, etc. Popular JavaScript based frameworks such that React, Angular have their wayContinueContinue reading “Step by Step implementing Two-Way Data Binding in Vanilla JavaScript”

Goodbyes are hard…..

Yes, Goodbyes are hard. After almost 5 years at Infragistics, I am moving on and seeking other opportunities. I must say these years were the best years of my life. At Infragistics, I was a Developer Evangelist. My job was to engage developers, create more awareness with them around Infragistics’ Ignite UI product, and toContinueContinue reading “Goodbyes are hard…..”

Video : Four ways of creating an object in JavaScript

There are four ways an object can be created in JavaScript object as a literal Using the new operator, also knows as constructor invocation pattern Using the Object.create() method Using the class starting ES6 Watch full video here : https://www.youtube.com/watch?v=JPNM2Pr-6Lo Source Code : https://gist.github.com/debugmodedotnet/f3608fb337a809e2139a9e8c4a5eb8c6 For more such learning videos, subscribe to  https://www.youtube.com/c/geek97