How to Measure Performance in JavaScript Applications

Learn how to accurately measure the performance of your JavaScript application using the browser’s Performance APIs (now, mark and measure).

Measuring the time it takes to execute a function is always a good idea to prove that some implementation is more performant than the other. It’s also a good way to ensure that performance didn’t suffer after some change and to track down bottlenecks.

Good performance contributes to a good user experience. And a good user experience makes users come back. This research for example shows, 88% of online consumers are less likely to return after a poor user experience due to performance issues.

That’s why it’s important to be able to recognize bottlenecks in your code and measure the improvements. Especially when developing JavaScript for the browser it’s important to be aware that every line of JavaScript you write can potentially block the DOM since it’s a single-threaded language.

In this article, I will explain how you can measure the performance of your functions and what to do with the results, you get from them.

The functions I mention here are good for debugging JavaScript functions at a low level. If you want to make sure that your application stays fast, even after more features get added, consider the implementation of a performance budget.

#javascript #web-development

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How to Measure Performance in JavaScript Applications

Top 15 Free JavaScript Frameworks for Web Applications

List of some useful JavaScript Frameworks and libraries for website, web apps, and mobile apps development, that developers should know about to make selection easier.
This article will help you understand the various types of JavaScript Framework available in the market. When it comes to choosing the best platform for you, it’s not only the number of features you need to consider but also its functionality. The ease with which it fits within your project is also an essential factor. The next step is to choose the framework that best fits your company requirements or you can select the best from the list of top web development companies to develop your product based on your requirements.

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Rahul Jangid

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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!");
</script>

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"); */

</script>

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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Niraj Kafle

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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.

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Ajay Kapoor

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