Libraries save time by letting developers reuse existing work done by others. Especially for languages like JavaScript, that come with a small standard library, external libraries »
Prettier is a tool that automatically makes your code more readable and consistent with your project's style guide. Prettier integrates with your editor, so your code »
Asynchronous calls like this are extremely common in JavaScript: fetchFile("example.js", function(fileContents){ console.log(fileContents) }) In order to avoid freezing the user interface while »
In the past, running JavaScript followed a simple model. You wrote some code in file.js and then used a <script> tag to load »
String functions like substr, substring, or slice all take character indices as parameters. For example, slice returns the characters from the from index to the to »
It's hard to understand what's going on when you first dive into an unfamiliar codebase. The decisions that were made when writing the code often aren't »
Boolean function parameters are hard to read. What could true possibly mean here? settings.createSetting("userAge", true) You need to look up the function definition to »
JSHint is a popular JavaScript linter that can help detect low-quality code. It's good to run a linter every time you edit any JavaScript source code. »
Code linting is a way to increase code quality. Linters like JSLint or JSHint can detect potential bugs, as well as code that is difficult to »
Evaluation short-circuiting is a feature of the logical operators AND and OR. It is meant to speed up code execution, but sometimes it's misused to simulate »