Front End Developer Mock Interview
Practice 30 Front End Developer interview questions covering HTML, CSS, JavaScript, frameworks, and performance optimization.
Question 25 of 30
Can you discuss the differences between session storage, cookies, and local storage?
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William Swansen has worked in the employment assistance realm since 2007. He is an author, job search strategist, and career advisor who helps individuals worldwide and in various professions to find their ideal careers.
There are three main types of storage used by websites. Each of these has unique characteristics and benefits. Knowing about these and employing them in your designs will demonstrate your qualifications as a front-end developer. When describing each type of storage, its characteristics, and the differences between them, keep your answers brief and to the point. The interviewer will ask a follow-up question if they need additional information.
William Swansen has worked in the employment assistance realm since 2007. He is an author, job search strategist, and career advisor who helps individuals worldwide and in various professions to find their ideal careers.
"The three types of storage mechanisms I use when developing a website front end are session storage, cookies, and local storage. Session storage is the data that is stored only while the website is open. Once the user closes the website, anything which was stored in session storage is deleted. Session storage is minimal, can only be read on the client-side, and increases as the user opens multiple windows on the site. Cookies reside on the user's devices and store information that is sent back to the server each time the user accesses it. Cookies are stored on user devices but only read by the server. They are dynamic and can be updated each time the user connects with the server. Finally, the last type of storage is local storage. The data is stored on a client computer, which shares the data with a web browser. This type of storage is kept until deleted by the user. Web sites access local storage using JavaScript and HTM5."
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