Strings - Data Structures and Algorithms in Javascript | Frontend DSA Interview Questions

Strings - Data Structures and Algorithms in Javascript | Frontend DSA Interview Questions

RoadsideCoder

10 месяцев назад

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Owais
Owais - 23.09.2023 17:25

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Owais
Owais - 23.09.2023 10:46

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Deepti Dip
Deepti Dip - 18.08.2023 15:21

Can u please explain the TC ans SC as well. Btw thanks for the video 😁

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FRAGRANT GAMING
FRAGRANT GAMING - 09.08.2023 15:03

Link list , Graph or tree ki videos kab aa rahi hai

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Suraj Singhal
Suraj Singhal - 08.08.2023 18:07

please tell me when you upload the next video i'm really waiting for it🙂

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Hydro Goalpicker1
Hydro Goalpicker1 - 30.07.2023 09:03

Bro... 🙏 i want to learn DSA suggest me the which website is best n also show approaching strategy.. Im from telangana. Ur teaching attracted me to write this

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K I R 4 N
K I R 4 N - 29.07.2023 15:48

i will.

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Gildware Technologies
Gildware Technologies - 28.07.2023 11:17

In the context of Data Structures and Algorithms in JavaScript, strings are a fundamental data type used to represent sequences of characters. Strings are commonly used to store and manipulate text-based data in programming. In this explanation, we'll cover some essential string operations and how strings can be used in various algorithms.

Creating Strings in JavaScript:
In JavaScript, you can create strings using single quotes (''), double quotes ("") or backticks (``).

javascript
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let str1 = 'Hello, World!'; // Single quotes
let str2 = "JavaScript is awesome!"; // Double quotes
let str3 = `Using backticks allows for interpolation`; // Backticks
Common String Operations:
Concatenation: Joining two or more strings together.
javascript
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let firstName = 'John';
let lastName = 'Doe';

let fullName = firstName + ' ' + lastName; // Concatenating strings
console.log(fullName); // Output: "John Doe"
Length: Finding the length of a string.
javascript
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let message = 'Hello, how are you?';
let messageLength = message.length;
console.log(messageLength); // Output: 19
Accessing Characters: Accessing individual characters in a string using their index (0-based).
javascript
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let str = 'JavaScript';
console.log(str[0]); // Output: "J"
console.log(str.charAt(1)); // Output: "a"
Substring: Extracting a portion of a string.
javascript
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let str = 'Data Structures and Algorithms';
let substring = str.substring(5, 14);
console.log(substring); // Output: "Structures"
Searching: Finding the index of a substring within a string.
javascript
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let message = 'Hello, how are you?';
let indexOfHow = message.indexOf('how');
console.log(indexOfHow); // Output: 7
Replacing: Replacing a substring with another substring.
javascript
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let str = 'I love JavaScript!';
let newStr = str.replace('JavaScript', 'Python');
console.log(newStr); // Output: "I love Python!"
Common String Algorithms:
Strings play a crucial role in various algorithms, such as:

String Matching Algorithms: Searching for a pattern within a text.

String Reversal: Reversing the characters in a string.

Anagram Detection: Checking if two strings are anagrams.

Palindrome Detection: Determining if a string is a palindrome.

String Permutations: Generating all possible permutations of a string.

Conclusion:
Strings are essential data structures in JavaScript used to store and manipulate text-based data. Understanding common string operations and algorithms will enable you to effectively work with strings and solve problems involving text manipulation. Strings are foundational to many programming tasks, and mastering their use will help you become a proficient JavaScript programmer. Happy coding with strings and algorithms!

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Tarun Durbha
Tarun Durbha - 27.07.2023 05:28

Tq brother for making this DSA playlist , I am literally following every video of yours and started solving leet codes of respective data structure ,initially i felt solving medium level leet codes very tough but later i slowly gaining experience in it and i am building my confidence ,not only now i started following your various playlists 7 month back itself , and i placed in good product based company in JS language ,keep doing like this and be a part of so many youngsters successfull interview journey directly or indirectly

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DEEPAK SARKAR
DEEPAK SARKAR - 24.07.2023 09:48

hi @RoadsideCoder Can i know the reason why it prints ['some_string' , ;some_more_string', ''] ...values . Like i wanna know why it adds empty string '' to end of array , even if it doesnt exist
[ Timeline 6 mins , start of video ]

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Mohammad Abbas
Mohammad Abbas - 23.07.2023 18:18

you are savior dude

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Naezy Gaming
Naezy Gaming - 23.07.2023 17:39

I want you to make all topics in depth in Js please

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Chhavimani Choubey
Chhavimani Choubey - 23.07.2023 16:30

WHAT THE F IS THIS CONSOLE.LOG SHITHOUSERY THIS IS WITCHCRAFT

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Rishi Raj
Rishi Raj - 23.07.2023 16:11

👍🙏

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Sumit Negi
Sumit Negi - 23.07.2023 16:00

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Aditya Kumar
Aditya Kumar - 23.07.2023 15:40

Bro when can we expect to have full series for this???

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Amith Sulakhe
Amith Sulakhe - 23.07.2023 15:32

Bro your course is ultimate

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nitin raj
nitin raj - 21.07.2023 19:38

Please bhaiya complete asap dsa series for forntend developer requirement. And interview dsa questions playlist .

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