Hashnode·5y7 console.log() alternatives
console.count() is used to check how many times this line has been called. console.assert() is Used to assert that something is truthy. If not, it will log a message to the console.console.group() and console.groupEnd() are used for grouping similar (or different ;) logs together.
This Dot·4yClean Up Your Code With Design Patterns in Javascript
Design patterns are a bit of a controversial topic in the dev community. Some developers believe they are overly complicated, others are dogmatic about using them. Let's unpack a few commonly-used JavaScript design patterns together, and discuss how they can make your code cleaner and easier to maintain.
DEV·5yEssential Concepts in JS
Javascript is a language that can do almost anything you want it to do today with much ease. It is different from C/C++ in that it is interpreted line-by-line, rather than a program being read at once. It can only perform one single task at a time. It queues different tasks into different queues based on type.
Hashnode·5y100 most asked JavaScript Interview Questions and Answers - Part 1
JavaScript is a lightweight, interpreted, or just-in-time compiled programming language with first-class functions. It is most well-known as the scripting language for Web pages, but many non-browser environments also use it, such as Node.js, Apache CouchDB, and Adobe Acrobat.
DEV·5y5 useful javascript tricks
In this post, I will show you 5 awesome javascript tricks which will make your life more easier. So if you are interested, continue reading. Tricks include removing duplicates from an Array and turning a Decimal Number to an integer. Trick-4: Get a random index value from an array. Trick-5: Detect the most lengthy word in an array
Hacker News·4yTen Years of Logging My Life
Chronofile is an Android app that tracks a person's daily activities. The app is open source and available on GitHub. Over the past four years, it has logged 85,000+ activities over the span of a decade. The data is endlessly fascinating to sift through, but it also tells a personal story.
gitconnected·5ySecret JavaScript tricks to compete with your fellow super fast senior dev’s debugging speed
Secret JavaScript tricks to compete with your fellow super fast senior dev’s debugging speed. Using the Debugger Instead of Logging it Every Time. Logging an Array using console table and sorting the values. Live Expressions in Chrome Dev tool to value your JavaScript expressions real time.
Hacker News·5yFirefox Relay
Firefox Relay will no longer forward messages sent to . Once you delete this alias, it cannot be recovered. If you recreate a deleted alias, emails sent to the original alias will continue to be forwarded. You should update your login with a different email address before youdelete this one.
Hashnode·5yWhat's new in Javascript 21 - ES12
This year javascript is bringing 4 new features, which are almost in production rollout. I won't be wasting much more time and directly jump to code with easy to understand examples. Use the latest node version, if you want to play around with these features. Once the compatible node version is available, simply create a new JS file, and let's get started.
Hacker News·5yDeveloper Tools secrets that shouldn’t be secrets
Microsoft Edge’s Console is the most used part of the browser developer tools. There are a few problems with that, and there are better ways to debug scripts. This is a talk that I’ve given at CityJS this September. These are things I encountered during working on the tools and going through user feedback.
Hashnode·5yWhat is Typescript and why should you be using it?🤔
TypeScript is a superset of JavaScript. All the concepts of JavaScript are combined with TypeScript's own concepts that make the language increasingly powerful. It converts your JavaScript which can be run on the web, on a phone, or on Node.js. TypeScript is widely used and loved by developers around the world.
DEV·5y✨ 7 Tips & tricks to make your console.log() output stand out
The console.count() method can be useful if you'd like to know how many times a component was rendered. Organize the output of an object of array by using the console.group() method. For styling the consolelog yes, but for other cases you can use template literals.
DEV·5yJavaScript Hoisting
JavaScript hoisting refers to the process where the compiler allocates memory for variable and function declarations prior to execution of code [1]. That means that declarations are moved to the top of their scope before code execution regardless of whether its scope is global or local. The code snippets below show hoisting in action: declare the function first and use/invoke it after.
DEV·4yKickass VS Code Extensions To Make Your Life Easy
These extensions can drastically improve your workflow and make your IDE more attractive. Here is a list of some of the extensions that could be useful for primarily front-end developers who want to get the most out of their VS Code. Live Server: A live reload feature reflected on a local server with whatever it is you’re coding.
gitconnected·5yDependency Injection in TypeScript
Dependency Injection in TypeScript is a way to separate domain and persistence layers in Node apps. We can use TypeScript decorators to create our own DI service with help of the Dependency Manager. We have Logger classes we want to inject and DependencyManager which stores all needed mappings.
DEV·5y8 JavaScript Tips & Tricks That No One Teaches 🚀
JavaScript is one of the coolest languages in the world and is gaining more and more popularity day by day. So the developer community has found some tricks and tips after using JS for quite a while now. Today I will share 8 Tips & Tricks With You!Functional Inheritance is the process of receiving features by applying an augmenting function to an object.
DEV·5y7 interesting deprecated JavaScript features
JavaScript has come a long way since its birth 26 years ago at Netscape. Some of these can still be used but it’s highly discouraged. There is no place for optimization inside it, since you can’t predict if variable will refer to a property or an outside variable. It violates lexical scope, making program analysis very hard or even infeasible.
Hashnode·5y🔥 Top 7 JavaScript Array sort() Method Use Cases
The sort() method sorts the elements of an array and returns the sorted array, and no copy is made. The default sort order is ascending. In this article, we will see how we can utilise its power to the fullest. We can sort a simple array of strings using a functionless array sort()method like this.
DEV·5yJavaScript's Forgotten Keyword (with)
The "with" keyword can be used to inject arbitrary objects into a scope chain. It can also introduce security vulnerabilities. It is forbidden in strict mode for a reason. It adds some interesting capabilities to the language, but ultimately it is not a must-use keyword.
SitePoint·5yBeyond Console.log() – Level up Your Debugging Skills
A common developer workflow is to write code in an editor, save it, then switch to the browser and load the product to see if everything works. We only use a small percentage of the tools at our disposal, and we may miss out on opportunities to work better. We’ll look at a few features of freely available developer tools you probably use but don’t know about.
DEV·5ySome Javascript Methods you should know
In this article, we are gonna look at some javascript methods that you should know. You might know some as well if yes then feel free to skip that particular section. We are just taking a string and splitting it into an array then we use the reverse() and join() back together. Let's see how we can implement it.
DEV·5y5 Git Tricks Every Developer Should Know
In this article we will discuss 5 git tips and tricks that will enhance your productivity, better your workflow and make you an overall git ninja. Let’s dive in: Remove all your local git branches but keep master. A better git log visualization on terminal. How to delete a git branch locally and from remote.
DEV·5yMaking your console log statements stand out
console.time() and console.timeEnd() can be used to show how much time a particular block of code takes to run. You can group a set of console logs having a particular meaning apart from the rest using this method. Using various format specifiers inside them, you can also log objects as such: console.group andconsole.groupEnd. Using console.collapsed() to have the logs closed by default.
