How to get First N Characters in String in JavaScript - Step by Step Examples



How to get First N Characters in String in JavaScript ?

Answer

In JavaScript, you can use the `substring` method to get the first N characters from a string.

How to get First N Characters in String in javascript language

✐ Examples

1 First 5 Characters of "Hello World" String

In this example,

  1. We create a variable named str with a string value of "Hello World".
  2. We use the substring method with str, 0 as the start index, and 5 as the end index to get the first 5 characters.
  3. Finally, we print the first 5 characters.

JavaScript Program

let str = "Hello World";
let first5Chars = str.substring(0, 5);
console.log(`First 5 characters of the string are: ${first5Chars}`);

Output

First 5 characters of the string are: Hello

2 First 3 Characters of "apple" String

In this example,

  1. We create a variable named str with a string value of "apple".
  2. We use the substring method with str, 0 as the start index, and 3 as the end index to get the first 3 characters.
  3. Finally, we print the first 3 characters.

JavaScript Program

let str = "apple";
let first3Chars = str.substring(0, 3);
console.log(`First 3 characters of the string are: ${first3Chars}`);

Output

First 3 characters of the string are: app

Summary

In this tutorial, we learned How to get First N Characters in String in JavaScript language with well detailed examples.




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