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Since the data in cookies doesn’t change, cookies themselves aren’t harmful. They can’t infect computers with viruses or other malware. However, some cyberattacks can hijack cookies and enable access to your browsing sessions. The danger lies in their ability to track individuals’ browsing histories.
The cookies make browsing the Internet faster & easier , The cookies allow the website to know who you are , They can tailor your browsing experience based on the previous visits , Certain websites customize site information based on your location (city) & you do not have to enter the same information every time you …
What is the advantage and disadvantage of having a cookies?
Occupies less memory, do not require any server resources and are stored on the user’s computer so no extra burden on server. We can configure cookies to expire when the browser session ends (session cookies) or they can exist for a specified length of time on the client’s computer (persistent cookies).
Clearing your cookies and other temporary web data every so often will really increase how fast your internet browser responds, and will even fix most problems you have with the internet.
JavaScript can also manipulate cookies using the cookie property of the Document object. JavaScript can read, create, modify, and delete the cookies that apply to the current web page.
How can I tell if a cookie belongs to the current page?
With a path parameter, you can tell the browser what path the cookie belongs to. By default, the cookie belongs to the current page. document.cookie will return all cookies in one string much like: cookie1=value; cookie2=value; cookie3=value; The old cookie is overwritten. Deleting a cookie is very simple.
For example, when you log into a site, a cookie may be returned that identifies your account, confirming you’ve successfully logged in. Then, when you interact with this website in the future, this cookie will act as confirmation that you’re a user who’s logged into the site.
Note − Cookie values may not include semicolons, commas, or whitespace. For this reason, you may want to use the JavaScript escape () function to encode the value before storing it in the cookie.