{"ScriptPreparationCode":"const arr = new Array(3000).fill(new Array(100).fill(\u0022foo\u0022));","TestCases":[{"Name":"arr .flat","Code":"const flattened = arr.flat();","IsDeferred":false},{"Name":"lodash flatten","Code":"const flattened = _.flatten(arr);","IsDeferred":false},{"Name":"concat \u002B spread","Code":"const flattened = [].concat(...arr);","IsDeferred":false}]}