What are some examples of string methods in JavaScript?

What are some examples of string methods in JavaScript?

In JavaScript, string methods are functions that allow you to manipulate strings. Some common examples include:

1. charAt(index) - returns the character at the specified index.
2. concat(string1, string2) - combines two or more strings.
3. includes(searchString) - checks if a string contains a specified substring.
4. slice(start, end) - extracts a section of a string and returns it as a new string.

Can you explain how the slice method works?

Sure! The slice(start, end) method extracts a part of a string and returns it as a new string. The start parameter is the index at which to begin extraction, and the end parameter is optional, indicating the index at which to end extraction (not included). For example, let str = 'Hello, World!'; str.slice(0, 5); returns 'Hello'.

What about the includes method?

The includes(searchString) method checks if a string contains a specified substring. It returns true if the substring is found and false otherwise. For example, let str = 'Hello, World!'; str.includes('World'); returns true.

Are there any other useful string methods?

Yes, there are many! Some other useful string methods include toUpperCase(), toLowerCase(), trim(), and split(separator). Each of these methods serves a different purpose in string manipulation.