JavaScript

How-tos How to Convert String to Title Case in JavaScript Converting a string to a title case refers to keeping the rest of the characters lowercase except the initial characters. In this article, the core implementation will be based on … ↗ How-tos How to Calculate the Median in JavaScript Calculate the median of a nonempty JavaScript array of finite numbers. This function sorts a copy, returns the middle value for odd-length arrays or the mean of the center pair for … ↗ How-tos How to Clear Textbox in JavaScript Learn how to clear a text input in JavaScript with a reusable function, an inline event handler, or a guarded focus handler. See how to handle multiple fields and form submission. ↗ How-tos selectedIndex Property in JavaScript Learn what the selectedIndex property returns and how to read, set, and respond to a select element's selection in JavaScript. ↗ How-tos How to Init Functions in JavaScript Learn how to init functions in JavaScript with this comprehensive guide. Explore function declarations, expressions, arrow functions, and IIFEs with practical examples. Enhance … ↗ How-tos How to Display DateTime in 12-Hour AM/PM Format in JavaScript Format JavaScript dates as 12-hour time with AM/PM using a native function, locale-aware methods, or Moment.js. ↗ How-tos How to Validate Numbers in Form Inputs in JavaScript Choose an accepted numeric format and validate complete form input in JavaScript, with regular expressions, number checks, and input-event feedback. ↗ How-tos How to Check if a Character in a String Is Uppercase or Not in JavaScript This tutorial demonstrates how to check if all the characters in a given string are in an uppercase format or not in JavaScript. ↗ How-tos How to Loop Through Dictionary in JavaScript Learn how to loop through dictionaries in JavaScript with various methods like for...in, Object.keys(), and Object.entries(). This guide provides clear code examples and … ↗ How-tos Selection Sort in JavaScript In this article, we will learn the selection sort algorithm in JavaScript. And using this algorithm, we will learn how we can sort array elements in JavaScript with the help of an … ↗ How-tos Short-Circuiting in JavaScript Learn how JavaScript's && and || operators short-circuit, return operand values, and support safe conditional and fallback patterns. ↗ Reference JavaScript String.startsWith() Method JavaScript string startsWith() is a method that returns a boolean value after determining whether the given string starts with a specified string value. ↗ Reference JavaScript Array.forEach() Method Learn how the Array.forEach() method calls a function for each present array element. ↗ Reference JavaScript Number.isSafeInteger() Method This article introduces the Number.isSafeInteger(), a JavaScript built-in Number library method used to check whether a numeric value is a safe integer or not. ↗ Reference JavaScript Math.ceil() Method The Math.ceil(x) method returns the least integer greater than or equal to x, rounding toward positive infinity. ↗ Reference JavaScript Date.toTimeString() Method Date.prototype.toTimeString() returns a string representing a Date's time portion in the host environment's local time zone. ↗ Reference JavaScript Math.LOG2E Property Learn what the JavaScript Math.LOG2E property represents, how to access its value, and how to use it in calculations. ↗ Reference JavaScript Array.includes() Method Learn how JavaScript includes() checks an array for a value and returns a Boolean, including case-sensitive strings and the optional starting index. ↗ How-tos JavaScript Async forEach Learn why forEach does not wait for async callbacks, and choose sequential or concurrent patterns with clear ordering and failure behavior. ↗ How-tos Named Parameters in JavaScript Discover the power of named parameters in JavaScript and how they enhance code readability and flexibility. This article explores the benefits of using named parameters, provides … ↗ How-tos How to Deep Copy Array in JavaScript Learn how to deep copy a JavaScript array and choose a method that fits its values. ↗ How-tos How to Replace Space With Dash in JavaScript Learn how to replace literal spaces with dashes in JavaScript using replaceAll() and replace(). ↗ How-tos How to Get Subset of an Array in JavaScript In today's post, we'll learn how to extract subset of an array in JavaScript. ↗ How-tos How to Round Number to the Nearest 10 in JavaScript Learn how JavaScript Math.ceil() and Math.round() round numbers up or to the nearest multiple of 10, including negative and halfway values. ↗