Category: JavaScript

Events are a way for JavaScript to respond to user interaction or other changes in the environment. When an event occurs, JavaScript can execute code in response.

One common way to use events is to play a sound. For example, you could play a sound when a user clicks on a button or when the page scrolls to the bottom.

In this article, we will show you how to play a sound on an event in JavaScript. We will also discuss some common events that you can use to play sounds. Continue reading “How to Play a Sound on Event in JavaScript”

If you are a JavaScript developer, you might have encountered the SyntaxError: missing ; before statement at some point. This error means that there is a semicolon missing somewhere in your code, and JavaScript cannot parse it correctly. In this blog post, we will explain why this error occurs, how to fix it, and how to avoid it in the future. Continue reading “How to resolve SyntaxError: missing ; before statement”

In this blog post, I will explain how to resolve a common JavaScript error: TypeError: Cannot read property ‘length’ of undefined. This error occurs when you try to access the length property of a variable that is undefined, meaning it has no value assigned to it. For example, if you have a function that takes an array as an argument and returns its length, but you pass an undefined variable instead of an array, you will get this error. Continue reading “How to resolve TypeError: Cannot read property ‘length’ of undefined”

I will explain what unshift is in JavaScript and how to use it. Unshift is a method that adds one or more elements to the beginning of an array and returns the new length of the array. It is the opposite of the pop method, which removes the last element from an array and returns it. Continue reading “What is unshift in JavaScript?”

In JavaScript, you can loop through an array using different kinds of loops. Continue reading “How to loop through array in Javascript?”

In JavaScript, you can create an element using the document.createElement() method. Continue reading “How to create element in javascript?”

In JavaScript, you can append new elements to an existing array in several ways. Continue reading “How to append array in javascript?”

To iterate through an array in JavaScript, you can use different approaches depending on what you want to achieve. Continue reading “How to iterate through array in javascript?”

To solve the ReferenceError: someVariable is not defined error in JavaScript, you can try the following steps: Continue reading “How to fix ReferenceError: someVariable is not defined”

In JavaScript, the error “TypeError: someFunction is not a function” typically occurs when you’re trying to call a function that doesn’t exist or is not defined. Here are some steps to help you solve this error: Continue reading “How to solve TypeError: someFunction is not a function”