The fillStyle property is used to specify the fill color, gradient, or pattern for filling a shape on a canvas. It is part of the Canvas 2D API, which allows you to draw and manipulate graphics on a web page.
The method in the Web Worker API to start a worker process is not postMessage(data). postMessage() is actually used to send messages from the main thread to the worker or from the worker to the main thread.
There are two types of web storage in JavaScript: local storage and session storage. Both types provide a way to store data on the client side (i.e., within the user’s web browser) without the need for server-side storage or cookies.
The appendChild() method in JavaScript is used to append a new child element to the bottom of the calling container element.
The open() method of the XMLHttpRequest object is used to initialize a request. It sets the parameters for the request, such as the HTTP method and the URL. However, the open() method does not have a parameter specifically dedicated to setting the password.
To add a custom HTTP header to an XMLHttpRequest request, you can use the setRequestHeader() method.
