JSFiddle - React, Tailwind, and code Playground

by neonDog

JavaScript

//(?, ?), (?, ?)


const createPlaceholders = function(num, len) {
	
  const arr1 = new Array(num).fill('?');
	const str1 = '(' + arr1.join(',') + ')';
  
  const arr2 = new Array(len).fill(str1);
  return arr2.join(', ');
};


document.body.innerHTML = createPlaceholders(2, 5);