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How to add zeros before a digit up to 10

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May 17.2020

Hi! Tell me how to add zeros in front of a digit up to 10?

This demo:
[https://codepen.io/ethereal94/pen/gOaQbxm](https://codepen.io/ethereal94/pen/gOaQbxm)

Thanks!

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CSSHTMLJavaScript

7 Comments(s) ↴

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@NachfolgerMay 18.2020 — @ethereal#1618536 Very simple task.

Make use of JavaScript's padStart(length, str) function.

Eg.
``<i>
</i>"1".padStart(10, "0");<i>
</i>`</CODE>

Or, making use of your code:
<CODE>`<i>
</i>$('.box .number').each(function(i,elem) {
$(elem).text((i+1).toString().padStart(10, "0"));
});<i>
</i>``
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@etherealauthorMay 18.2020 — @Nachfolger#1618537

This does not work correctly

https://codepen.io/ethereal94/pen/oNjQgmL
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@NachfolgerMay 18.2020 — @ethereal#1618539

Oh, I misunderstood the question. Simply change padStart(10, "0")) to padStart(2, "0")). Although, you could have done your do diligence and looked at the documentation. You would have figured it out the mistake long before I saw your response.
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@HarshShahJun 11.2020 — Hii Ethereal,

Using this code you can set how many zeroes u want to enter before the digit.
``<i>
</i>
import java.util.Scanner;

class Example {
public static void main(String args[]) {

String givenNumber;
int zeroCount;

Scanner sc = new Scanner(System.in);

System.out.println("Enter a number : ");
givenNumber = sc.next();

System.out.println("Enter total numbers of zeros : ");
zeroCount = sc.nextInt();

String formatter = "%0" + (givenNumber.length() + zeroCount) + "d";

System.out.println("Final number : " + String.format(formatter, Integer.valueOf(givenNumber)));
}
}<i>
</i>``
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@NachfolgerJun 11.2020 — @HarshShah#1619388

This is completely wrong. **Java is NOT JavaScript**. Do not conflate the two.
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@mathiasJun 11.2020 — Hello !

This is the solution with your code

$('.box .number').each(function(i,elem) {<br/>
let resultat = ++i;<br/>
$(elem).text(resultat &lt;10 ? '0${resultat}' : resultat);<br/>
});

> Replace just the ' by ` I can't do it here

Have a nice day 😀
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@CYPRUSBREWJun 19.2020 — @ethereal#1618539 Seems to work just fine!
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