INTERVIEW QUESTIONS OPEN SOURCE APPLICATIONS ECOMMERCE PORTAL DETAILS

Question: what is Disadvantages, Costs of JavaScript?

Answer: JavaScript provides ecommerce sites a powerful tool to improve their shoppers’ experiences. But it’s not without a cost.

For example, seemingly simple interactions on the frontend can become complex underneath. Say you want your search form to automatically show the first five results. Simple, right? Here’s what is actually involved.

Add JavaScript to wait for a user to start typing in a field.
After three characters, make an AJAX request to the server with the search term.
On the server, perform your search function with that search term.
Format the search results as an HTML snippet or a JSON (a method of exchanging data) structure so it can be returned back to the search form’s JavaScript.
Once the search form gets the search results, display them nicely using CSS and make sure they appear on top of the page.
Cancel the AJAX requests and any server processing when a user continues to type more characters — four, five, six, and so on — in the search field.
Facilitate and communicate instances when there are no search results found on the server.
Facilitate and communicate server errors.
Add suggestions to the search, so the user can see popular searches.
Correct the user’s typos and misspellings.

JavaScript provides ecommerce sites a powerful tool to improve their shoppers’ experiences. But it’s not without a cost.

For example, seemingly simple interactions on the frontend can become complex underneath. Say you want your search form to automatically show the first five results. Simple, right? Here’s what is actually involved.

Add JavaScript to wait for a user to start typing in a field.
After three characters, make an AJAX request to the server with the search term.
On the server, perform your search function with that search term.
Format the search results as an HTML snippet or a JSON (a method of exchanging data) structure so it can be returned back to the search form’s JavaScript.
Once the search form gets the search results, display them nicely using CSS and make sure they appear on top of the page.
Cancel the AJAX requests and any server processing when a user continues to type more characters — four, five, six, and so on — in the search field.
Facilitate and communicate instances when there are no search results found on the server.
Facilitate and communicate server errors.
Add suggestions to the search, so the user can see popular searches.
Correct the user’s typos and misspellings. Source: CoolInterview.com

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