allocation memory in node till it runs out

memory.js

// strict
function mb(bytes) {
  return Math.floor(bytes / 1024 / 1024 );
}

function print() {
  const memoryUsage = process.memoryUsage();
  console.log({
    rss: mb(memoryUsage.rss),
    heapTotal: mb(memoryUsage.heapTotal),
    heapUsed: mb(memoryUsage.heapUsed)
  });
}

var arr = [];
print();
while (true) {
  arr.push(Array(1e6).fill("some string"));
  print();
}