nested-loop
const p1 = document.getElementById("p1");
const inputRows = document.getElementById("inputRows");
const inputColumns = document.getElementById("inputColumns");
const rectangle = document.getElementById("rectangle");
const buttonSubmit = document.getElementById("buttonSubmit");
const inputSymbol = document.getElementById("inputSymbol");
buttonSubmit.onclick = function () {
rectangle.innerHTML = "";
for (let i = 1; i <= inputRows.value; i += 1) {
for (let j = 1; j <= inputColumns.value; j += 1) {
rectangle.innerHTML += inputSymbol.value;
}
rectangle.innerHTML += "
";
}
};