The JavaScript Guide shows you how to use JavaScript and gives an overview of the language. If you need exhaustive information about a language feature, have a look at the JavaScript reference. Have a good understanding of design patterns and know what problems each pattern solves.

Given a scenario or example, demonstrate awareness of type coercion and its effects. Salesforce Exams are made up of different topics, comprised of different weightings for each. It’s important to pay attention to these, as just a few sections will most likely take up the majority of the exam, such as the key topics below (Totalling 54% which is 32/60 questions). Web developers who are looking to get into the Salesforce ecosystem.

Javascript Developer Resume Example & Writing Guide

In addition to deepening your understanding of JavaScript, you’ll learn about Node basics, RESTful APIs, authentication and authorization, feature toggle systems, logging, and more. In other words, the old books aren’t obsolete, they’re just showing their age a little — even the ones released only 2 years ago. It might seem like talking to a senior citizen who still uses slang from the 60’s. If you’re new to JavaScript, it might be fun to discover all the crazy hacks old-timers used to put up with just to use array methods on arguments.

Most JavaScript developers could get away with never learning this API, and it wouldn’t hurt them at all — but that’s boring. “Node.js in Action” is a great introduction to basic Node application development covering essential topics like HTTP/HTTPS, Connect/Express middleware, realtime messaging with Socket.IO, using databases, and so on. You should read it after you have a working familiarity with JavaScript, when you’re ready to start exploring how to combine functional and object oriented programming techniques to build JavaScript applications.

JavaScript Developer Guide

You can take online courses, or if you’re new to both Salesforce and JavaScript, I recommend completing the Trailhead modules while you study the details on how to proceed using relevant documentation. Given a business requirement, utilize Events, event handlers and propagation. Given a business requirement, apply fundamentals of class implementation to solve the business requirement.

Javascript Developer Guide

After you’ve had some basic exposure to JavaScript, “Effective JavaScript” will take you on a guided tour of the language in more depth, showing by example lessons taught by a master programmer seasoned in his craft. Some authors in the JavaScript community have written books intended to teach you ES6. I recommend reading them after you have a little familiarity with basic JavaScript.

Aligning everything to the left, using a standard font type and size, and keeping bullets under 2 lines will help make your resume more skimmable. You should also try to leave some white space on the page to help the recruiter easily scan through your information. But many job seekers make the mistake of using generic bullet points that don’t really tell a story or provide any context about their experience. Collaborated with designers, copywriters, and other developers to create an optimal user experience. Assisted in testing of applications by providing manual test cases where possible and assisted in automation efforts where available. Communicated with other team members regarding technical decisions related to application development.

JavaScript Developer Guide

As more developers enter the ecosystem everyday, I think getting this certification will prove valuable for the right candidate in the future. Once you complete the Superbadge, you can even try solving the challenges afterwards using different methods; alternatively, you can build on top of apps that are readily available on the Sample Gallery. Given a scenario, use event loop and event monitor or determine loop outcomes. I’m hoping this guide will point you in the right direction and you can check out links below for my comments and resources I have used to prepare for the exam. Proofreading your resume is important in order to make sure it looks professional and error-free.


Bullet points are the most important part of your resume because they’re the first thing recruiters and hiring managers will see. And they’re javascript developers salary the best way to showcase your experience and qualifications. Developed and implemented new features and functionality on company website.

Overall I found this exam very rewarding for building towards core skills which will provide for success in real world scenarios. Kudos to the Trailhead team and committee that prepared the exam and all the study resources. Using async/await and promises are one thing, but truly knowing the difference between them and where to use them correctly is another. This section was difficult in my experience, especially if you’re missing out on how order of execution works in JavaScript and related concepts including Event Loop and Callstack. I recommend understanding how to control events and browser APIs and how they can potentially work together.

How To Become A Senior Javascript Developer

The JavaScript Developer I exam is intended for individuals who have the knowledge, skills, and experience developing front-end and/or back-end JavaScript applications for the web stack. These skills can be applied to any framework and are not mobile or device specific. If you’re looking to break into this field or just want an opportunity to update your resume, here are some tips and an example resume to help you write an awesome javascript developer resume. The senior JavaScript developer is highly skilled and knowledgeable to the point that other developers look up to them as a mentor. They usually possess a good track record of solving advanced problems and building more complex systems using advanced techniques. Technology changed a lot in the two years since we released the book, but in my honest opinion , it’s still the best overview of JavaScript app architecture on the market today.

Essential traits of a coder include good knowledge of JavaScript, an in-depth understanding of syntax and a love for solving problems that arise in various smaller projects. To reach a senior position, developers first need to fully understand the role’s requirements and expectations and we’ve unpacked everything you would ever need to know in order to plan the next leap in your career. A highly versatile language with many different frameworks used for building different types of software and for the web, indeed, JavaScript is a crucial component of today’s tech landscape. Research suggests that JavaScript is present in nearly 97% of all websites and the rate of uptake is showing no signs of slowing down. Most introductory JavaScript books wisely begin by talking about values and how to represent those values with bindings using `var`, `let`, or `const`. Reginald flips the beat for good reason — he’ll have your brain dancing.

A summary can help to highlight your most relevant skills and experiences, and can serve as a great introduction to your resume. When writing your summary, be sure to play up your soft skills, focus on your most highly transferable experiences, and be clear about your intentions. Keep it short and sweet, and you’ll be sure to make a great impression. The standards for JavaScript are the ECMAScript Language Specification (ECMA-262) and the ECMAScript Internationalization API specification (ECMA-402).

Normally, I’d just refer you to a handy reference, but unless you’re an audio engineer, you might feel a bit overwhelmed. True to the title, this book is a whimsical exploration of very basic programming concepts, but don’t let that fool you. If you have never touched code before, this is a good place to start, even if you’re all grown up. Diving in the deep end before you learn how to swim can be a frustrating experience.

Javascript is one of the most popular programming languages out there and for good reason. It’s flexible, easy to learn, and has tons of great frameworks and libraries to help you build web applications. Before we dive any deeper, let’s take a look at the various rungs in the JavaScript development career ladder. Between each rung is a transition phase that requires building knowledge and experience in a specific area. JavaScript is one of the most in-demand programming languages currently in use and is often among the first suggestions in the conversation when recommending the first language to learn for prospective developers.

Junior Javascript Developer

As soon as one browser implements a feature, we try to document it. This means that cases where some proposals for new ECMAScript features have already been implemented in browsers, documentation and examples in MDN articles may use some of those new features. Most of the time, this happens between the stages 3 and 4, and is usually before the spec is officially published. The boundary between junior and intermediate JavaScript developer is a bit blurry.

If you wanted to do any real programming for the browser, you used flash. Given a business requirement, apply fundamentals of object implementation to solve the business requirement. This part is really where you should focus on as a beginner, you might be using these concepts without even realizing it while building LWC or even Aura and VF components. If you’re looking for a way to make your resume more concise, a resume summary statement can be a great way to do so.

More From Javascript Scene

Per the BLS, the lowest 10% of web developers earn $39,550, while the highest 10% earn a whopping $142,080. Keep an achievement log that allows you to document what that you’ve learned or complex problems you’ve solved. This log will be something to look back to if you have a slow or disappointing day.

Essential this Concepts In Javascript

A few Java forums you should visit regularly are StackOverFlow, Oracle Java Forum and Coderanch. Read a wide range of books in your field, including subjects outside your comfort zone. Since JavaScript is primarily for front-end development, the JavaScript developer will most likely work on web applications to add additional functionality to the existing codebase or fixing an existing application. In other words, this book is the definitive guide to building a more successful application by optimizing its performance profile.

We’ve highlighted the various stages of your JavaScript development career. JavaScript, software leadership, software development, and related technologies. This book covers high-impact performance considerations such as HTTP2, data streaming, WebSockets, WebRTC, DataChannel, and so on. It is difficult to overstate the importance of great application performance. Shaving milliseconds off of page load times and reducing UI jank deliver investment returns that can only be rivaled by a great user interface design overhaul. This one is really a series of books — all of them similar in style and scope, some of them bigger than others, and all of them very good.

Find the tech stack, the list of all the technology services used to build and run a single application, you want to be skilled with and learn it in depth. Join a developer community, which are forums, Facebook groups or websites where you can interact with fellow Java developers to learn more about Java or seek help for a specific problem you are facing. You will also get to contribute to open-source projects and eventually attend conferences.

Plunker Plunker is an online community for creating, collaborating on, and sharing your web development ideas. Edit your JavaScript, CSS, and HTML files and get live results and file structure. Standard objects Get to know standard built-in objects Array, Boolean, Date, Error, Function, JSON, Math, Number, Object, RegExp, String, Map, Set, WeakMap, WeakSet, and others. Strict mode Strict mode defines that you cannot use any variable before initializing it. It is a restricted variant of the language, for faster performance and easier debugging.

A telltale sign you’ve reached this level is when you feel like you know everything you need to know to architect a system. You may also feel like JavaScript is the only programming language you’ll ever need. Reaching a senior developer position can bring with it a sense of fulfilment that comes with increased responsibilities, as well as the potential to move into bigger, more influential companies. JavaScript developers also enjoy one of the best paying job roles in tech and a seniority boost would naturally also include a bump in salary too.

All things concerned, JavaScript Developer I Certification Exam is not your typical Salesforce certification exam. It’s not hundred percent code reading, but most of it is with good reason. You can also use a desktop app such as RunJS, (it might have differences compared to a browser, for example not having the top-level object window so your mileage may vary). What’s really important with this certification is that it’s the first platform agnostic exam that tests knowledge outside of Salesforce platform tools. Keywords are especially important for your resume when you’re applying online. That’s because many employers use an applicant tracking system to screen resumes.

This module gives you some fundamental background knowledge about how client-side frameworks work and how they fit into your toolset, before moving on to a series of tutorials covering some of today’s most popular ones. JavaScript building blocks Continues our coverage of JavaScript’s key fundamental features, turning our attention to commonly-encountered types of code blocks such as conditional statements, loops, functions, and events. The transition from coder to junior JavaScript developer occurs when you enter the IT field and land your first paid position as a JavaScript developer. As a junior JavaScript developer, you will turn business requirements into applications and use tools to solve real-world problems. After all, you’re not a real JS rock star until you plug your guitar into your web browser. I know I said these were books “every JavaScript developer should read”, but this one is only for JavaScript developers who love playing with sounds and music.

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