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Search queries powered by some ingenious JavaScript

Table of Contents
  • Difficulty: Intermediate
  • Duration: 2 hrs 33 mins
  • Units: 1
  • Chapters: 9
  • Quizzes: -
  • Exercises: -
  • Projects: -
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Category: Frameworks / Libraries

Presumed knowledge

  1. HTML

  2. CSS

  3. JavaScript

Course overview

Autocomplete is to look for the matches of a given query and show them as a list of suggestions for the query. As the name suggests, an autocompleting algorithm tries to automatically complete a given query.

This has a couple of benefits. Firstly, it reduces the amount of time spent in entering a given value - we type in a query, a list of suggestions is consequently shown, we select one suggestion from it, and we are done. Secondly, it improves the UX of a webpage by making it look professional and performant.

Big names out there - such as Google, Facebook, Microsoft, Amazon - employ the use of autocompletion algorithms in their search bases to make their applications robust and allow for quicker option selection. Apart from these big names, autocompletion is now a general feature of the web.

Many libraries have been developed to power it on webpages, and many new dimensions have been given to it to make it even more powerful.

Learning outcomes

In this course you'll learn:

  1. How to code one of the most used features of the web, from scratch.
  2. How to dissect a feature and code its basic structure in HTML and its logic in JavaScript.
  3. The way to approach programming problems by breaking them down into smaller subproblems, solving the subproblems and then combining the solutions to these subproblems to solve the main problem.
  4. How to work with JavaScript key events. Specifically, we'll be tracking the code of the key pressed, see if it matches the code for the up or down key, and then perform a corresponding action if it does match.
  5. How to efficiently work with functions where code blocks are seen to be repeating.
  6. How to construct a JavaScript library that takes in some configurations and structures the underlying code accordingly.

... and much more.

Table of contents

Frequently asked questions

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Why this course?

  • Free of cost

    No need to buy any subscriptions, make any payments, or create any accounts. All the content is available for free.

  • Well-structured

    Content throughout the course is organized in a chronological fashion, ensuring a clear and intuitive learning experience.

  • Simple to understand

    Everything is explained in plain and concise words, right from the perspective of an absolute beginner.

  • Detailed explanations

    Certain concepts require a pretty deep insight. Fortunately, we provide all that insight in easy words.

*The durations mentioned on this page are merely an estimate; the actual time completing the underlying topic/course would obviously be much greater.

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