JSFiddle - React, Tailwind, and code Playground
JavaScript
const blocks = [
{ id: 1 },
{ id: 2 },
{ id: 3 },
// { id: 4 }, uncomment for false
]
const containers = [
{ block: { id: 1 } },
{ block: { id: 2 } },
{ block: { id: 3 } },
]
const result = blocks.every(block => {
const id = block.id;
return containers.find(container => container.block.id === id);
})