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In JavaScript, string substring returns a portion of a given string. One argument tells the index to start the portion at.

In JavaScript, string includes is a boolean string method that returns true if a substring is within a given string, and false otherwise.

In JavaScript, string lastIndexOf returns the index of the last occurrence of a given substring within a string. Optionally, you can ...

In JavaScript, string startsWith is a boolean string method that tells whether a string starts with a given substring. This video also ...

In JavaScript, string endsWith is a boolean string method that tells whether a string exactly ends with a given substring. This video ...

... the "Longest Palindromic Substring" in JavaScript – a classic and frequently asked FAANG interview question! This visual guide ...

In JavaScript, string indexOf returns the index of the first occurrence of a given substring within a string. Optionally, you can ...

JavaScript solution of the coding interview problem: Substring with Concatenation of All Words Follow my socials to stay updated ...

In JavaScript, string repeat repeats a string a given number of times. This video shows what happens when you pass zero to ...

In JavaScript, string toLowerCase converts a string to all lowercase. JavaScript strings are immutable, so toLowerCase returns a ...

In JavaScript, string toUpperCase converts a string to all uppercase. JavaScript strings are immutable, so toUpperCase returns a ...

toLowerCase and toUpperCase in JavaScript do two complementary things in JavaScript. toLowerCase converts a string to all ...

Learn how to solve Longest Substring Without Repeating Characters — one of the most common JavaScript coding interview ...

This video shows how to remove duplicates from a string in JavaScript. It uses the set constructor, the spread operator and the join ...

Get Middle Character(s) of a String in JavaScript. In this video you'll learn how to reliably extract the middle character or middle ...

Find the Longest Substring Without Repeating Characters in JavaScript In this video, you'll learn how to find the longest substring ...

Find the Longest Palindromic Substring in JavaScript In this video, you'll learn how to find the longest palindromic substring within ...

Welcome to our JavaScript Tutorial for Beginners To Advance! In this video, we'll take you through everything you need to know ...

Explanation and dry run of the coding interview problem: Substring with Concatenation of All Words Follow my socials to stay ...

Video Title: Truncate a String to a Specific Length in JavaScript In this video, you'll learn how to shorten a string to a specified ...