JSFiddle - React, Tailwind, and code Playground
JavaScript
function cwsCreateEmptyArray_(rows, columns) {
var aResult = [];
var colsArray = new Array(columns);
for (var i = 0; i < columns; i++) {
colsArray[i] = '';
}
for (var n = 0; n < rows; n++) {
aResult.push(colsArray);
}
return aResult;
}
console.log(cwsCreateEmptyArray_(2, 4));