Well, an AngularJS web development company always makes sure to hire the right AngularJS experts and developers for their organization. However, still many AngularJS developers commit some common mistakes.

This is why we came up with this article pointing out 10 common mistakes committed by AngularJS experts. Also, we have highlighted how they can avoid these mistakes.

Forgetting to Unsubscribe

Using subscriptions for observables or any events in an AngularJS application is not very uncommon. Now, if a developer forgets to unsubscribe those events, it might lead to memory leaks across the entire system. It risks data security, which is a major concern.

When it comes to unsubscribing, you can see two scenarios.

You initiate the onDestroy LifeCycle hook when it is in your subscribed component. You prompt the LifeCycle hook on your own when it is a service that you have subscribed to previously. Hence, you need to keep a check on it. When you are no longer using a service or a component, make sure to unsubscribe it.

Involving in the jQuery

jQuery is a customary library. To make alterations to the DOM and deal with events easily, developers use it. So, whenever they need to do any DOM manipulations, they always end up involving jQuery which is a bad practice and should be avoided.

Being a powerful front-end development framework, AngularJS itself has a rich feature-set. So, instead of using jQuery, you can utilize these features for DOM manipulations.

Making DOM Changes Directly

While developing an AngularJS application, coders often alter DOM directly when they have to execute SVG, have to focus on control after a validation error or have to refresh the title of the page. However, this is not a good practice at all because the DOM is a browser-specific API. And it will couple the code of your application with the browser. This coupling will not allow the developers to target any other rendering environment.

As a solution, the AngularJS experts can use jQuery as it is an accepted library.

Improper Code Distribution

Generally, in the AngularJS web development process, the code distribution is done into small compartments or cubicles. By following this process, any errors can be tracked easily. Also, rectifying the errors becomes easier. Since AngularJS involves working with the MVC architecture, what generally happens with the developers is that they tend to put excessive codes into one controller. And this is problematic for rectifying issues or working further with the code. So, developers need to be a bit careful about this.

Ignoring $applyAsync Use

$applyAsync helps to maintain the code’s expressiveness in the $digest(). Hence, in the AngularJS application development process, the coders should make a habit of using it.

Not Using Batarang

A certified AngularJS developer knows the significance of using the useful Google Chrome extension - Batarang. It not only helps in the development process but also helps in debugging the applications. However, often it has been spotted that coders do not use this tool to its fullest potential.

Inconsistent Naming

Not having a common name for services, components, variables, and functions is another commonly made mistakes by the AngularJS developers. Inconsistent naming practice should be avoided as it might confuse other developers to understand the functional flow.

Declaring Components Multiple Times

In the AngularJS rapid application development process, each component should be declared only in the corresponding NgModule of declarations array. Otherwise, it might throw an error.

If the coders want to use one component in multiple modules, they can simply move that particular component to the shared module. Also, they have to include all the declaration arrays and the export arrays. Once they do this, they can import the SharedModule wherever they want.

Failing to Test Properly

Before launching an application, it is crucial to test it thoroughly. There are innumerable bugs that can incur when the application is running in different environments. Hence, developers need to be careful about doing pre-launch testing.

Other than the above-mentioned points, an AngularJS developer should be careful about using the Event Handlers and assembling the scope objects properly.

So, these are some of the common mistakes done by any AngularJS developer. Now that you know this, when you hire AngularJS developer, make sure they know the good practices to follow in the AngularJS web development process.