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Articles on Trending Technologies
Technical articles with clear explanations and examples
Build maximum array based on a 2-D array - JavaScript
Let's say, we have an array of arrays of Numbers like below − const arr = [ [1, 16, 34, 48], [6, 66, 2, 98], [43, 8, 65, 43], [32, 98, 76, 83], [65, 89, 32, 4], ]; We are required to write a function that maps over this array of arrays and returns an array that contains the maximum (greatest) element from each subarray. So, for the above array, the output should be − [48, 98, 65, 98, 89] Using ...
Read MoreWhat is availHeight property in JavaScript?
The screen.availHeight property returns the available height of the user's screen in pixels, excluding areas occupied by the taskbar, dock, or other system interfaces. Syntax screen.availHeight Return Value Returns a number representing the available screen height in pixels, excluding system UI elements like taskbars. Example Here's how to use the screen.availHeight property to get the available screen height: Screen Available Height ...
Read MoreAny ideas on how to prepare for the future of Flash/ Flex/ HTML5 Development?
The web development landscape has evolved significantly since Flash's decline. Understanding the transition from Flash/Flex to modern HTML5 technologies is crucial for developers preparing for the future. The End of Flash Era Adobe Flash officially ended support in December 2020. Major browsers now block Flash content by default, and users must manually enable it for legacy applications. This marked the definitive shift toward modern web standards. HTML5: The Modern Web Standard HTML5 represents a collaboration between the World Wide Web Consortium (W3C) and the Web Hypertext Application Technology Working Group (WHATWG). It provides native support for ...
Read MoreAlign the text of a paragraph with CSS
To align and control the positioning of text within a paragraph, CSS provides several properties including text-align for horizontal alignment and text-indent for first-line indentation. Text Alignment Properties The main CSS properties for text alignment are: text-align - Controls horizontal alignment (left, right, center, justify) text-indent - Indents the first line of a paragraph Using text-align Property .left { text-align: left; } .center { text-align: center; } ...
Read MoreHow to decode an encoded string in JavaScript?
In JavaScript, string decoding refers to converting encoded strings back to their original form. While escape() and unescape() were historically used, modern JavaScript provides better alternatives like decodeURIComponent() and decodeURI(). Using unescape() (Deprecated) The unescape() method decodes strings encoded by the escape() method. It replaces hexadecimal escape sequences with their corresponding characters. Syntax unescape(string) Example // Special character encoded with escape function var str = escape("Tutorialspoint!!"); document.write("Encoded : " + str); document.write(""); ...
Read MoreHow to sort strings with accented characters using JavaScript?
JavaScript's default string sorting doesn't handle accented characters properly. The localeCompare() method provides locale-aware string comparison that correctly sorts accented characters. The Problem with Default Sort Using the default sort() method on strings with accented characters produces incorrect results because it compares Unicode code points rather than the actual alphabetical order. Default Sort Problem Default Sort (Incorrect) ...
Read MoreCalling asynchronous code from index.html page in JavaScript?
Calling asynchronous code when an HTML page loads requires using async/await with event handlers. This allows you to run asynchronous operations during page initialization. Using onload with Async Function The most straightforward approach is to use the onload attribute with an async function: Async Code on Page Load Async Page Loading Example async function ...
Read MoreSimplest code for array intersection in JavaScript?
Array intersection finds common elements between two or more arrays. In JavaScript, the simplest approach uses filter() combined with includes(). Basic Example Let's find common elements between two arrays: var firstNamesArray = ["John", "David", "Bob", "Sam", "Carol"]; var secondNamesArray = ["Mike", "Carol", "Adam", "David"]; var intersectionOfArray = firstNamesArray.filter(v => secondNamesArray.includes(v)); console.log("Intersection of two arrays:"); console.log(intersectionOfArray); Intersection of two arrays: [ 'David', 'Carol' ] How It Works The filter() method creates a new array with elements that pass the test. For each element in ...
Read MoreCount total punctuations in a string - JavaScript
In JavaScript, you can count punctuation marks in a string by checking each character against a set of punctuation symbols. Common punctuation marks include periods, commas, semicolons, exclamation marks, question marks, and quotation marks. Common Punctuation Characters '!', ", ", "'", ";", '"', ".", "-", "?" Example Here's a JavaScript function that counts punctuation marks in a string: const str = "This, is a-sentence;.Is this a sentence?"; const countPunctuation = str => { const punct = "!, ';".?-"; let count = 0; ...
Read MoreFinding the maximum in a nested array - JavaScript
Let's say, we have to write a simple function in JavaScript that takes in the following array of Numbers (nested to any level) − const arr = [ 15, 24, [ 29, 85, 56, [ 36, 14, 6, 98, 34, 52 ], 22 ], 87, 60 ]; and return the greatest number present in ...
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