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In this tutorial, we shall learn to set the type of positioning method used for an element with JavaScript. The positioning permits us to move elements out of actual document order and make them appear in various ways. For instance, stay on top of one another or occupy the initial position within the browser viewport. Understanding CSS Position Types Before diving into JavaScript implementation, let's understand the available position values: static − The default position. Elements follow normal document flow. relative − Positioned relative to its normal position without affecting other elements. absolute − Positioned ... Read More
The font-family property is used to change the face of a font. You can specify multiple font names as fallbacks, and the browser will use the first available font from the list. Syntax font-family: "font-name", fallback-font, generic-family; Example: Setting Font Family This text is rendered in either georgia, garamond, or the default serif font depending ... Read More
String concatenation is the process of joining two or more strings together to create a new string. In JavaScript, there are several methods to concatenate strings, with the second string being appended at the end of the first string. Using concat() Method The concat() method joins the calling string with the provided string arguments to create a new string. The original strings remain unchanged since strings in JavaScript are immutable. Syntax concat(str1) concat(str1, str2) concat(str1, str2, ... , strN) Parameters Parameter Description strN One or more strings to ... Read More
In HTML forms, the accept-charset and enctype attributes control character encoding and data transmission format. JavaScript provides properties to access these values programmatically. The accept-charset attribute specifies which character encodings the server accepts for form submission, while enctype defines how form data should be encoded when sent to the server. Using acceptCharset Property The acceptCharset property returns the value of the form's accept-charset attribute. Common values include "utf-8" (Unicode encoding) and "ISO-8859-1" (Latin alphabet encoding). Syntax document.getElementById('formID').acceptCharset; Example Here's how to retrieve the acceptable character set of a form: ... Read More
Asynchronous loops in JavaScript allow you to perform time-delayed or async operations within loops without blocking the main thread. This is essential when working with APIs, file operations, or timed delays. What is an Asynchronous Loop? A regular loop executes all iterations instantly. An asynchronous loop waits for each iteration to complete before moving to the next, using await with async functions. Using async/await with for Loop Asynchronous Loop ... Read More
We are required to write a function that accepts an array of string literals and returns the index of the longest string in the array. While calculating the length of strings we don't have to consider the length occupied by whitespaces. If two or more strings have the same longest length, we have to return the index of the first string that does so. We will iterate over the array, split each element by whitespace, join again and calculate the length. We'll track the maximum length and its index, updating when we find a longer string. Syntax ... Read More
We are required to write a function that takes in a string of definite characters and the function should return the difference between the count of vowels plus other characters and consonants in the string. Problem Explanation For example, if the string is: "HEllo World!!" Then, we have 7 consonants, 3 vowels and 3 other characters here so the output should be: |7 - (3+3)| = 1 Hence, the output should be 1 Example const str = 'HEllo World!!'; const findDifference = str => { const creds ... Read More
When working with strings that contain multiple commas and spaces, you can use regular expressions with split() and join() methods to clean them up effectively. The Problem Consider this messy string with multiple consecutive commas and spaces: var sentence = "My, , , , , , , Name, , , , is John ,, , Smith"; console.log("Original string:", sentence); Original string: My, , , , , , , Name, , , , is John ,, , Smith Solution: Using Regular Expression with split() and join() The split(/[\s, ]+/) method splits ... Read More
We are required to write a JavaScript function that takes in a number and returns the difference between the greatest and the smallest digit present in it. For example: If the number is 5464676, then the smallest digit here is 4 and the greatest is 7 Hence, our output should be 3 Example Let's write the code for this function — const num = 44353456; const difference = (num, min = Infinity, max = -Infinity) => { if(num){ const digit = num ... Read More
Use the toString() method to get the string representation of a number. This method converts any number to its string equivalent and supports different number bases for advanced use cases. Syntax number.toString() number.toString(radix) Parameters radix (optional): An integer between 2 and 36 representing the base for numeric representation. Default is 10 (decimal). Basic Example var num1 = 25; ... Read More