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Asked: 2024-09-27T04:22:38+05:30 In:

What’s the shortest JavaScript code to generate a string of 12 repeated characters?

I’ve been diving into a bit of JavaScript lately, and I stumbled upon a challenge that really got me thinking about code efficiency and string manipulation. So, here’s the thing: I’m trying to figure out the shortest way to generate a string consisting of 12 repeated characters, but here’s the catch – I want it to be done in the fewest characters possible of JavaScript code.

Now, I know there are a bunch of ways to do this with loops, or even by leveraging built-in methods, but I’m curious to see what you all can come up with that’s both concise and clever. Like, what are some creative one-liners or nifty tricks you’ve encountered?

For example, I came across a solution that leverages the fact that a character repeated multiple times can be generated by something like `String.prototype.repeat()`. But then, I thought, can we do it even shorter using other techniques? Maybe there are some neat tricks with array methods or even using template literals creatively.

I find it fascinating how different approaches can lead to solutions of varying lengths, especially in a language like JavaScript where sometimes less is more. Plus, there’s something especially satisfying about making the code as slim as possible while still accomplishing the goal.

I’m really curious about both the solutions and the thought processes behind them! If you’ve got an awesome short solution or an idea, please share it – I’d love to see what everyone’s come up with. And if you have any tips or considerations about performance or readability while achieving brevity, that would be great too!

Basically, let’s see who can show off their JavaScript wizardry with the shortest code to produce a string of 12 repeated characters. Looking forward to your responses!

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    2 Answers



    2. To generate a string of 12 repeated characters in the most concise way using JavaScript, you can utilize the `String.prototype.repeat()` method. This built-in function allows you to repeat a given string for a specified number of times, making your code both efficient and readable. For instance, using the code 'A'.repeat(12); will yield 'AAAAAAAAAAAA'. This approach uses only 18 characters (including symbols) in its simplest form and effectively accomplishes the task with optimal performance.

      If you’re looking for an alternative one-liner that showcases a different method, consider using the Array constructor combined with the join method. You could write: Array(13).join('A');, which also produces the same result of 'AAAAAAAAAAAA'. This method is slightly longer, but it creatively employs array manipulation techniques. While both methods are efficient, the first option with `repeat()` is generally preferred for clarity and performance, especially in modern JavaScript.

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