1) parseInt("199ff")
2) output: 199
parseInt("Hahah") - Output: NaN - string will not convert into number
parseInt(String(199)) → parseInt("199") → 199
parseFloat(parseInt("351.35")) → parseFloat(351) → 351
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1) parseInt("199ff")
2) output: 199
parseInt("Hahah") - Output: NaN - string will not convert into number
parseInt(String(199)) → parseInt("199") → 199
parseFloat(parseInt("351.35")) → parseFloat(351) → 351