Question

How to pad a string on the left in Node.js

Answer 1

const str = "Node";

const padded = str.padStart(7, "*");
 
console.log(padded);  
 
 
 
/*
run:
 
***Node
 
*/
 

 

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Answer 2

const str = "Node";

console.log("Node".padStart(11));           
console.log("Node".padStart(11, "*"));     
console.log("Node".padStart(11, "123456"));  
 
 
 
/*
run:
 
       Node
*******Node
1234561Node
 
*/

 

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Answer 3

const num = 81;
 
const paddedNum = String(num).padStart(5, "0"); 
 
console.log(paddedNum);
 
 
 
/*
run:
 
00081
 
*/

 

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