Number Pyramid - Nested Loops

function numberPyramid(input) {

    let n = Number(input[0]);
    let currentNum = 1;
    let isBigger = false;
    let printCurrentLine = "";

    for (let row = 1; row <= n; row++) {
        for (let col = 1; col <= row; col++) {
            if (currentNum > n) {
                isBigger = true;
                break;
            }
            printCurrentLine += currentNum + " ";
            currentNum++;
        }
        console.log(printCurrentLine);
        printCurrentLine = "";
        if (isBigger) {
            break;
        }
    }
}

numberPyramid(["7"])