How do you generate random strings or characters in JavaScript?

General Discussions
,
1

How do you generate random strings or characters in JavaScript?

2

Hello Sakshikuchroo,

I think this will work for you:

function makeid(length) {
    let result = '';
    const characters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
    const charactersLength = characters.length;
    let counter = 0;
    while (counter < length) {
      result += characters.charAt(Math.floor(Math.random() * charactersLength));
      counter += 1;
    }
    return result;
}

console.log(makeid(5));
3

Hello Sakshi,

This simple and reliable code snippet returns exactly five random characters. Unlike some other solutions, it ensures a consistent length of output.

JavaScript code: Math.random().toString(36).slice(2, 7);

This code generates a random number between 0 and 1 using Math.random(), converts it to a base-36 string using toString(36), and then extracts a substring of length 5 starting from index 2 using slice(2, 7). The result is a string of five characters that can include numbers (0-9) and lowercase letters (a-z).

4

Hey Sakshi,

here is the Answer to the Question,

When changing double quotes to single quotes in the echo command, as shown below:

echo -e 'Hello,\nWorld!'

The output will be:

Hello, World!

This is because single quotes prevent the shell from interpreting special characters like \n, so the newline character is printed as-is.