Table of contents
Prerequisite:
Knowledge of JavaScript syntax
Basic understanding of for loops and while loops
Pattern
*
* *
* * *
Approach
let str = "";
for (let i = 0; i < 3; i++) {
for (let j = 0; j <= i; j++) {
str += "*";
}
str += "\n";
}
console.log(str);
// *
// **
// ***