By Vishal Basumatary in javascript — Mar 24, 2023

Javascript error .append is not a function

If you are a web developer, you may have come across the Javascript error "TypeError: .append is not a function". I recently faced this error while working on a project for my client.

What does this error mean?

The ".append is not a function" error occurs when you try to use the jQuery .append() method on a variable that is not a jQuery object. The .append() method is used to add content to the end of an element. If you try to use it on a non-jQuery object, the error will be thrown.

How to fix this error?

There are a few ways to fix this error:

Wrap the variable in jQuery: If you have a variable that is not a jQuery object, you can wrap it in jQuery to turn it into one. This can be done using the $() function.
Check if jQuery is included: Make sure that you have included jQuery in your project. If jQuery is not included, the .append() method will not be recognized.
Use vanilla JavaScript: If you are not using jQuery in your project, you can use vanilla JavaScript to achieve the same result. Instead of using the .append() method, you can use the .appendChild() method.

Example code:


// Declare a variable
var myDiv = document.createElement('div');

// Append content to the end of the div
myDiv.appendChild(document.createTextNode('Hello World!'));

// Add the div to the document
document.body.appendChild(myDiv);

In the above example, we are creating a new div element, adding some text using the .appendChild() method, and then adding the div to the document using the document.body.appendChild() method.

By following these steps, you should be able to fix the "TypeError: .append is not a function" error and get your code working again.