Dharmen Shah

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Hey, I am Dharmen Shah. I write about Angular, JavaScript, CSS and Web Development. Do checkout my blog to know more!

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How to track changes in ngDoCheck with KeyValueDiffer

Nov 10, 20217 min read

When we use ngDoCheck to detect changes, we need to make sure that our implementation is extremely lightweight and fast, so it doesn’t affect user-experience. In this tutorial, we will learn how to efficiently track and process those changes using Ke...

How to track changes in ngDoCheck with KeyValueDiffer

How to manage object in Angular FormControl

Oct 11, 20215 min read

Generally we use FormControl with either string or boolean types and hence it manages only simple values. But what if we want to manage just more than primitive data types? We can do that, let’s see how. For example, in this tutorial we will learn ho...

How to manage object in Angular FormControl

How to get an attribute value in Angular's components and directives

Sep 13, 20214 min read

Reading HTML Attributes Elements in HTML have attributes; these are additional values that configure the elements or adjust their behavior in various ways to meet the criteria the users want. - MDN Docs For example: <input type="text"> <td colspan="3...

How to get an attribute value in Angular's components and directives

How to exclude stylesheets from the bundle and lazy load them in Angular?

Aug 23, 20212 min read

We will try to understand this by taking example of multiple themes support. Multiple theme files Let’s assume that apart from main styles.css file, you have 2 theme files present: src/styles/themes/theme-light.css src/styles/themes/theme-dark.css ...

How to exclude stylesheets from the bundle and lazy load them in Angular?

How to utilise JSDoc comment tags so that Visual Studio Code intellisense works great

Jul 16, 20215 min read

Types in JavaScript JavaScript is a loosely typed and dynamic language. Variables in JavaScript are not directly associated with any particular value type, and any variable can be assigned (and re-assigned) values of all types: let foo = 42; // fo...

How to utilise JSDoc comment tags so that Visual Studio Code intellisense works great

How to use ControlValueAccessor to enhance date input with automatic conversion and validation

Jun 3, 20216 min read

Overall idea behind this article to explain and demonstrate the usage of ControlValueAccessor and Validator interfaces . The former is used to bind together a FormControl from Forms package and native DOM elements. The latter is used to implement val...

How to use ControlValueAccessor to enhance date input with automatic conversion and validation