Number 目录 Number Number.EPSILON Number.isFinite Number.isInteger Number.isNaN Number.isSafeInteger Number.MAX_SAFE_INTEGER Number.MAX_VALUE Number.MIN_SAFE_INTEGER Number.MIN_VALUE Number.NaN Number.NEGATIVE_INFINITY Number.parseFloat Number.parseInt Number.POSITIVE_INFINITY Number.prototype number.toExponential number.toFixed number.toLocaleString number.toPrecision number.toString number.valueOf
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