Would you like to clone this notebook?
When you clone a notebook you are able to make changes without affecting the original notebook.
Substract 'b' and 'c' from ['a', 'b', 'c']
const BemDecl = require('@bem/sdk.decl');
const BemCell = require('@bem/sdk.cell');
const BemEntityName = require('@bem/sdk.entity-name');
const set1 = [
new BemCell({ entity: new BemEntityName({ block: 'a' }) }),
new BemCell({ entity: new BemEntityName({ block: 'b' }) }),
new BemCell({ entity: new BemEntityName({ block: 'c' }) })
];
const set2 = [
new BemCell({ entity: new BemEntityName({ block: 'b' }) }),
];
const set3 = [
new BemCell({ entity: new BemEntityName({ block: 'c' }) })
];
BemDecl.subtract(set1, set2, set3).map(c => c.id);
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