Thread by @csaba_kissi

JavaScript string methods are used to manipulate strings.

Here are 8 of the most commonly used string methods and their examples:

1. length()

This method returns the length of a string:

Example:

let str = "Hello World";
console.log(str.length); //outputs 11

2. indexOf()

This method searches for a specified value in a string and returns the position of the match:

Example:

let str = "Hello World";
console.log(str.indexOf("World")); //outputs 6

3. substring()

This method extracts characters from a string between two specified indices, and returns the new sub-string:

Example:

let str = "Hello World";
console.log(str.substring(6, 11)); //outputs "World"

4. replace()

This method searches a string for a specified value and replaces it with a new value:

Example:

let str = "Hello World";
console.log(str.replace("World", "there")); //outputs "Hello there"

5. charAt()

The charAt() method returns the character at the specified index in a string:

Example:

let str = 'Hello World';
console.log(str.charAt(0)) ; // Outputs "H"

6. concat()

The concat() method combines two or more strings and returns a new string:

Example:

let str1 = 'Hello';
let str2 = 'World';
console.log(str1.concat(' ', str2)); // Outputs "Hello World"

7. includes()

The includes() method checks if a string contains a specified string/character:

Example:

let str = 'Hello World';
console.log(str.includes('World')) ; // Outputs true

8. endsWith()

This method checks whether a string ends with the characters of a specified string, returning true or false.

For example:

let str = 'Hello World';
console.log(str.endsWith('orld')); // Output: true

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