JavaScript Code examples

JavaScript Code examples JavaScript String Methods Example Code snippets Learn JavaScript Strings 1Source Code Template literals 2Coding example String WhiteSpace Remover sample code 3Remove duplicates from an array source code example 4 JavaScript String Methods Example Code snippets Learn JavaScript Strings Code Exampleconst output = document.querySelector(‘.output’); let str1 = ‘Hello world Hello World’;let str2 = … Read more

JavaScript Game from scratch Guess the Number learn how to create a JavaScript DOM game

JavaScript Game from scratch Guess the Number learn how to create a JavaScript DOM game Learn how to create a number guessing game with JavaScript. Guess the hidden number, the range will adjust as you guess random numbers. Providing logic for the game play and scoring. <!DOCTYPE html> <html> <head>  <title>JavaScript </title>  <style>    body{      font-style:normal; … Read more

Random Element Background Colors JavaScript CSS style properties updates with Random Hex Color

How to create JavaScript code that within one statement can be used to generate a random HEX value to easily change colors to page element background. Click a button change the element background and body background color with JavaScript code. <!DOCTYPE html> <html> <head>  <title>JavaScript </title> </head> <body>  <div>   <input type=”text”><br>   <button>Click Me</button>   <div class=”results”></div> … Read more

JavaScript Random Math Object to generate Random Numbers with code

JavaScript Random Math Object to generate Random Numbers with code Code snippet and JavaScript coding lesson how to create Random Numbers with JavaScript code. How to set a minimum and a maximum number for random values, set a range for a random number generator. <!DOCTYPE html> <html> <head>  <title>JavaScript </title> </head> <body>  <div>   <input type=”number”><br> … Read more

How to create an Email Extractor Project with JavaScript Get emails from text download as text file

Create an email extractor to extract all unique emails from a block of text. This project creates an email extractor which can be used by pasting a block of text into the textarea, then selecting the separator for the output file contents. The unique emails addresses that are retrieved from the text block will be … Read more

JavaScript Regular Expressions and Pattern matching within Strings Email Extract

JavaScript Regular Expressions and Pattern matching within Strings Email Extract Regexp with match and matchAll() methods 1Use of test() and exec() 3replace() and replaceAll() methods 4search() method 4Find Email Pattern 6Email Extractor Project 8How to create a text file download 12 Regexp with match and matchAll() methods const txtArea = document.querySelector(‘textarea’);const btn = document.querySelector(‘button’);const res … Read more

Learn JavaScript coding lesson How to use Regular Expression RegExp to find Email Pattern in string

Regular expressions provide a powerful way to create patterns that can be matched from string content in JavaScript code. To find all matches of a typical email there are several ways to create the pattern. Start by setting up a grouping of the patterns, using the () adding the global flag to match all the … Read more