David Walsh

APRIL 17, 2023

Managing, sorting, and manipulating data with JavaScript is a skill we’ve often delegated to third party libraries like lodash. As the JavaScript language progresses, however, these features eventually get. added to the JavaScript specification. The post JavaScript Array Group appeared first on David Walsh Blog.

Groups 112

Groups AWS Data 112

InnovationM

JUNE 21, 2023

Function in JavaScript Function is a block of law that is designed to perform a particular task is called JavaScript Function Type of function in JavaScript Named Function Anonymous Function Immediately invoked function expressions Named Function Named function is the function that we define it in the law and also call it.

Examples 98

Examples Performance Applications 98

InfoWorld

FEBRUARY 21, 2024

JavaScript arrays are an incredibly flexible way to model collections using techniques from functional programming. Traditional JavaScript arrays JavaScript’s arrays can hold heterogeneous types, change size on the fly, and readily insert or remove elements.

Programming 91

Programming Tools 91

Xebia

MARCH 8, 2023

Welcome to the final installment of our lambda calculus using JavaScript tour. Weren’t we already representing lambda terms as JavaScript functions? So at the end of this post, you’ll have an interpreter for lambda calculus running on top of an interpreter for JavaScript! You know, it’s turtles all the way down.

Lambda 130

Lambda VR Programming Applications 130

David Walsh

FEBRUARY 1, 2022

One of my aspects of JavaScript that drew me to it as a young developers was that its syntax was loose and I could code quickly. Using Jest or TypeScript to add typing to your JavaScript can save you from maintenance headaches and unexpected errors, for example. Have you written code using private syntax in JavaScript?

Software Review 133

Software Review Engineering Development Examples 133

David Walsh

DECEMBER 29, 2022

That said, it’s also nice to have JavaScript events that also allow us to change behavior. I’ve always used @media print in stylesheets to control print display, but JavaScript provides beforeprint and afterprint events: function toggleImages(hide = false) { document.querySelectorAll('img').forEach(img

Media 104

Media 104

David Walsh

JULY 5, 2023

The post JavaScript closest appeared first on David Walsh Blog. You can provide closest a simple or complex selector to look upward for!

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InnovationM

MARCH 6, 2024

Introduction: The world of asynchronous programming in JavaScript, with a focus on the powerful async/await syntax. Before we dive into the specifics of async/await, let’s take a moment to understand the challenges posed by synchronous code execution in JavaScript.

Programming 52

Programming Examples Data Development 52

David Walsh

DECEMBER 27, 2022

When it comes to animations on the web, developers need to measure the animation’s requirements with the right technology — CSS or JavaScript. Many animations are manageable with CSS but JavaScript will always provide more control. With document.getAnimations , however, you can use JavaScript to manage CSS animations!

How To 131

How To Web Development Tools Development 131

Perficient

MARCH 26, 2024

Web Workers API: Web Workers provide the capability to execute JavaScript code independently in the background, distinct from the primary execution thread. In JavaScript, the ‘ startWorker()’ function checks if the browser supports web workers. This enables tasks to be performed without blocking the user interface.

Web Development 52

Web Development Storage Examples Travel 52

The Crazy Programmer

JANUARY 24, 2023

These are built by different developers using basic HTML, CSS, and JavaScript. The post 10 Simple Image Slider HTML CSS JavaScript Examples appeared first on The Crazy Programmer. Slider is a very important part of any website or web project. Here are some simple image slider examples that I handpicked from various sites.

Examples 133

Examples 3D Development 133

The Crazy Programmer

JUNE 22, 2020

When you want to change the theme of your site, one thing that needs to be done is to add custom JavaScript to it. Well, this article is not about the various alternatives, but mainly about the JavaScript which can be added to your WordPress site. Options to add JavaScript to WordPress Site. Add Custom JavaScript File.

How To 211

How To 211

Perficient

MARCH 24, 2024

Web History API The Web History API encompasses methods and properties that enable JavaScript to interact with the browser’s history stack. This example demonstrates how JavaScript can be used to create interactive navigation controls that enhance the user experience by leveraging the Web History API.

Storage 52

Storage Web Development Examples Development 52

InfoWorld

DECEMBER 13, 2023

JSX is a way to write HTML inside of JavaScript, but it feels more like a way to write JavaScript inside of HTML. It gives you a way to define the structure of an application view with HTML markup that interacts with the application's JavaScript context. As a templating language, it is beloved by some and loathed by others.

Applications 97

Applications Development 97

David Walsh

JULY 27, 2022

Whether you started with the old on __ property or addEventListener , you know that events drive user experiences in modern JavaScript. The post JavaScript Event.defaultPrevented appeared first on David Walsh Blog. One thing you probably didn’t know: there’s a defaultPrevented proptery on events!

Software Review 122

Software Review 122

Xebia

MARCH 8, 2023

This is the fourth post in the Lambda Calculus Through JavaScript series. If you’re just joining us, make sure to go back and start with Lambda calculus through JavaScript, part 1. The post Lambda Calculus Through JavaScript, Part 4 appeared first on Xebia. This article was originally published at 47deg.com on January 28, 2021.

Lambda 130

Lambda Fashion Programming Exercises 130

Xebia

MARCH 8, 2023

The previous post in this series introduced the constraints we had to obey to use JavaScript as untyped lambda calculus , and then we relaxed some of those constraints via currying (for functions of more than one argument) and translation (to turn const local variables into a combination of functions).

Lambda 130

Lambda Fashion Exercises Examples 130

David Walsh

AUGUST 14, 2023

As more of the JavaScript developers write becomes asynchronous, it’s only natural to need to wait for conditions to be met. I’ve written about waitForever , waitForTime , and JavaScript Polling in the past, but I wanted to have a more modern way of await ing a given state.

Testing 89

Testing Development 89

Xebia

MARCH 8, 2023

In part one, we laid out the foundations for working with JavaScript as a lambda calculus , and, through part 2, we added Booleans and numbers to our repertory. Remember that in regular JavaScript littleGaussHelper looks as follows: const littleGaussHelper = n => n 0 ? We’re moving fast through this lambda calculus series!

Lambda 130

Lambda Programming Applications Examples 130

Perficient

MARCH 21, 2024

JavaScript is a central pillar in web development, elevating user engagement and imbuing websites with dynamic capabilities. emailInput.validity.valid) { event.preventDefault(); // Prevent form submission if email is invalid } }); This JavaScript code ensures that user input in a form’s username field is validated properly.

Examples 52

Examples Web Development Development Meeting 52

David Walsh

JANUARY 2, 2023

A few years ago I wrote an article about how to detect VR support with JavaScript. The post Detect XR Support with JavaScript appeared first on David Walsh Blog. Since that time, a whole lot has changed. “Augmented reality” became a thing and terminology has moved to “XR”, instead of VR or AR.

VR 121

VR How To Virtualization 121

David Walsh

JANUARY 16, 2024

User input from HTML form fields is generally provided to JavaScript as a string. The post Extract a Number from a String with JavaScript appeared first on David Walsh Blog. We’ve lived with that fact for decades but sometimes developers need to extract numbers from that string.

Development 81

Development 81

Angularjs | Reactjs | jQuery | Nodejs tutorials

JANUARY 6, 2024

This quick javascript tutorial helps to remove extra whitespaces including tabs, and line breaks from your data. We will explore various techniques and best practices for stripping whitespace in JavaScript.

How To 81

How To Data 81

The Crazy Programmer

JUNE 9, 2022

FusionCharts is a highly-advanced JavaScript charting library, especially for your web & enterprise applications. FusionGrid is an easy-to-learn, advanced, responsive, mobile-friendly, and rich free JavaScript grid components library that helps in speeding up the web application development. What is FusionCharts?

Development 162

Development Data Mobile Resources 162

Angularjs | Reactjs | jQuery | Nodejs tutorials

DECEMBER 29, 2023

In this post, We’ll explore different ways to implement pipeline operators in JavaScript. The pipeline operator (|>) is a recent addition to the javascript language. Most current browsers […] The post New JavaScript Pipeline Operator with Example appeared first on JS-Tutorials.

Examples 75

Examples Data 75

Hacker Earth Developers Blog

JANUARY 25, 2023

In this article, we will share with you the best practices to build successful Javascript coding challenges with APIs, based on our experience hosting such challenges for global developers. Testing your product: Javascript coding challenges are a great way to allow developers to play with your product.

Travel 130

Travel Testing Recruiting Programming 130

David Walsh

FEBRUARY 6, 2024

The post Detect Caps Lock with JavaScript appeared first on David Walsh Blog. I wish I had known about getModifier earlier in my career!

Development 88

Development 88

DevOps.com

DECEMBER 3, 2021

While JavaScript is frequently the language of choice for all sizes of frontend and backend applications, it’s not the only option; nor is it necessarily the most efficient or cost-effective. The post Is TypeScript the New JavaScript? The time- and cost-saving benefits are significant enough that some organizations are […].

Applications 145

Applications Organization Development Continuous Delivery 145

Angularjs | Reactjs | jQuery | Nodejs tutorials

JANUARY 11, 2024

This article will discuss several approaches to importing JavaScript modules into an application. JavaScript contributes to the development of complex web applications. What is Importing in JavaScript? Importing JavaScript is a […] The post Importing Modules and Dependencies in JavaScript appeared first on JS-Tutorials.

Applications 64

Applications Organization Development 64

David Walsh

JUNE 26, 2023

JavaScript is no exception, especially as JSON has token over as a prime data delivery format. The post JavaScript: Reverse Arrays appeared first on David Walsh Blog. Manipulating data is core to any programming language. One such data manipulation is reversing arrays.

Programming 68

Programming Data 68

Synopsys

NOVEMBER 9, 2022

JavaScript, like other programming languages, are not without security challenges. These JavaScript security best practices will help you build more-secure code. The post JavaScript security best practices for securing your applications appeared first on Application Security Blog.

Applications 139

Applications Programming Training Software 139

David Walsh

SEPTEMBER 6, 2023

It’s rare that I’m disappointed by the JavaScript language not having a function that I need. The post Sum an Array of Numbers with JavaScript appeared first on David Walsh Blog. One such case was summing an array of numbers — I was expecting Math.sum or a likewise, baked in API. numbers) but a simple reduce will do!

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InnovationM

OCTOBER 6, 2022

A Person with another programming background is definitely confused with hoisting in Javascript. So let’s deep dive into the hoisting in javascript The Javascript engine creates the global execution context when we execute a piece of Javascript code. Source.

Engineering 98

Engineering Programming Applications 98

Angularjs | Reactjs | jQuery | Nodejs tutorials

JANUARY 2, 2024

In this tutorial, I’ll go over several approaches to concatenate strings in JavaScript. There are various methods for manipulating strings in JavaScript. The concatenation of a string is a basic operation on a string in any programming language. What is Concat Strings?

Programming 68

Programming 68

InfoWorld

APRIL 2, 2024

replacement for building, testing, and running JavaScript and TypeScript , now supports Windows 10. the latest version of the Bun toolkit and drop-in Node.js The latest version is also more compatible with Node.js. To read this article in full, please click here

Windows 65

Windows Testing 65

Angularjs | Reactjs | jQuery | Nodejs tutorials

FEBRUARY 19, 2023

This tutorial helps with different ways to log messages in javascript. The console.log() is a function in JavaScript language. The console.log() in your JavaScript code and pass in the information that you want to log as an argument inside the parentheses. It is used to print out variables, and log messages into the application.

Applications 85

Applications 85

David Walsh

JUNE 9, 2021

It’s not often that APIs are introduced whose seemingly only useful function is making code more readable, but let me introduce you to JavaScript numeric separators: an API that lets developers use underscores to make numbers more readable! Numeric separators within JavaScript seem like spec creators gifting developers a feature.

Engineering 113

Engineering Development 113