Posts in “JavaScript”

• Optional chaining operator in JavaScript
• JavaScript logical operators and the new nullish coalescing operator
• Sort an array with another array
• Match text between two markers with regex
• Reduce: the multitool of JavaScript array manipulation
• Dealing with URL parameters in JavaScript/TypeScript
• Understanding React children
• Currying in JavaScript
• Set multiple React refs in one variable
• How to MDX with Gatsby
• The unexpected mutability when editing nested arrays
• Force re-render function React component (or class component)
• Render draft posts locally in Gatsby
• React data visualizations | No dependencies, just some CSS
• JavaScript: make arrays of size | how to create filler arrays of varying length
• Access random element in an array, in a short and concise manner
• JavaScript iterators tutorial with examples | introduction to the iterable object
• Doing more complex conditional logic, getting more than two different values
• Copying text into the system’s clipboard with JavaScript
• A beginner-friendly guide to regex in JavaScript
• Listen key combinations with JavaScripts
• Few JavaScript loops you probably hadn’t thought of
• Remove a class name from multiple elements with pure JavaScript
• The new ES6 for...of loop
• Self referencing object literal in JavaScript
• Working with JavaScript arrays
• JavaScrip forEach loop
• Common JavaScript array methods and Object.keys()
• jQuery's .closest() function, and pure JavaScript alternatives
• Append and prepend elements with pure JavaScript
• Check if string starts with, or ends with another string, using JavaScript
• Optional parameter handling in JavaScript functions
• RequireJS part 2: optimizing scripts with r.js
• JavaScript: check if function parameter is a string or an object
• Add, remove, and toggle CSS classes with JavaScript
• Getting DOM elements with JavaScript
• Different methods to make DOM elements in jQuery
• Detect click with pure JavaScript
• How to build a custom lightweight jQuery
• How to build a custom zepto
• Setting and reading cookies with JavaScript
• Check if element exists in jQuery
• How to open a popup window with jquery