1| The array push() methods add a new element to the end of the array.

2| pop() method works at the ending of an array, which helps in removing elements at the end of the array, and returns the element.

3| The array shift() methods removing the first element from the array.

4| unshift() It also works at the beginning of an array and helps in adding elements to the array.

5| slice() array methods basically target an array and return the targeted array, and the original array remains not changed.

6|splice() methods change the targets array, by removing or replacing the existing element

7| sort() methods help in sorting arrays to order, however causing permanent change to the array.

8| The includes() method determines whether an array contains a specified element. This method returns true if the array contains the element, and false if not

9|the array toString() converts an array to a string.

10| the joint() method all elements in an array to create the string. this method will not change the original array.

aReactJS is a front-end JavaScript library that is a framework of choice for web developers.

1. What is ReactJS React is a library and not a framework, React is an open-source JavaScript library created by Facebook for building complex, interactive UI in web and mobile applications.

2. State and Props The state preserves the values of the components that are local to any component and the props are those components that are usually passed from parent to child component in ReactJS.

3. Hooks React Hooks From the components of the activities we enter into the life cycle characteristics of our response state. Hooks allow us to easily use our functional components without the need to convert them into components.

4. Event handlers One great thing about feedback is the ability to add event handlers to take input from the user. onChange, onSubmit, OnClick more. It allows access to another function.

Website design and development are crucial aspects of creating a successful online presence. Here are some ways and best tips for designing and developing a website:

Define your target audience: Before starting the website design and development process, it's essential to know who your target audience is. This will help you create a website that resonates with them and caters to their needs.

Keep it simple: A simple, clutter-free website is always better than a complicated one. It helps visitors navigate easily and find the information they need quickly.

Use a responsive design: With the increasing use of mobile devices, having a responsive design is crucial. This means your website should adapt to different screen sizes and look great on desktops, laptops, tablets, and smartphones.

Choose the right color scheme: Colors play a significant role in website design. Choose colors that match your brand and appeal to your target audience.

Use high-quality images: Images can make or break a website. Use high-quality images that are relevant to your content and appeal to your target audience.

Focus on user experience: A good user experience is essential for the success of any website. Make sure your website is easy to navigate, loads quickly, and provides visitors with the information they need.

Optimize for search engines: Search engine optimization (SEO) is essential for ensuring your website is visible to potential customers. Use keywords and meta tags to help search engines understand your content and rank it higher in search results.

Test your website: Before launching your website, test it thoroughly to ensure everything works as expected. Check for broken links, page speed, and mobile responsiveness.

Keep it updated: A website that is not regularly updated can quickly become outdated and irrelevant. Keep your website up-to-date with fresh content and new features.

Hire a professional: If you don't have the skills or time to design and develop a website, it's best to hire a professional. They can create a website that meets your needs and helps you achieve your goals.