What can be max const name in JavaScript?

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const naturalSearch = (cond, retFirstTrue = true) => { let min = 1; let max = 1; while(1) { const stop = cond(max); if (stop) break; min = max; max *= 2; } let mid; while (1) { mid = Math.floor((min + max) / 2); const stop = cond(mid); if (stop) { max = mid; } else { min = mid; } const diff = max - min; if (max - min <= 1) { return retFirstTrue ? max : min; } } }; const checkConstName = n => { console.log(n); try { const name = 'a'.repeat(n); new Function(`const ${name} = 5;`)(); return false; } catch (e) { return true; } return false; }; const maxConstName = naturalSearch(checkConstName, false); console.log('maxConstName', maxConstName);