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The <select> element creates a drop-down menu on the rendered output. You can add options to the drop-down menu by using nested <option> elements. This creates

Cookies make it possible to store information about a web application’s user between requests. After a web server sends a web page to a browser, the

Cascading Style Sheets (CSS) is used to design the layout of a webpage. CSS is a set of structured rules describing the layout of elements in

In JavaScript, getting the keys and values that comprise an object is very easy. You can retrieve each object’s keys, values, or both combined into an

forEach() is an iteration method, and it is mainly used for the serial execution of functionality against a list of elements. Array forEach() is a method

A switch statement is a form of a conditional statement. It will execute a code block if a certain condition is met. Switch statements are used

JavaScript’s toUpperCase() method converts a string object into a new string consisting of the contents of the first string, with all alphabetic characters converted to be

The substring() method extracts a part of a string from the larger whole. Note: Be careful to not confuse substring() with the substr() method! The example

The substr() method extracts a part of a string from the larger whole. Note: Be careful to not confuse substr() with the substring() method! The example

The replace() method operates on a String, returning a new string with the specified changes. Note: JavaScript strings are immutable. This means that a new string

The length property of a String object returns the number of characters contained in a string. const str = ‘Get the length of this string’; console.log(str.length);

Loops enable the repeated execution of a function or a block of code. There are many types of loops in JavaScript that you can use to