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RangeError: precision is out of range - JavaScript | MDN
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RangeError: precision is out of range

RangeError: precision {0} out of range (Firefox)
RangeError: toExponential() argument must be between 0 and 20 (Chrome)
RangeError: toFixed() digits argument must be between 0 and 20 (Chrome)
RangeError: toPrecision() argument must be between 1 and 21 (Chrome)

In this article

RangeError

?

, :

0 20 ( 21), ECMAScript .

Firefox (SpiderMonkey) Chrome, Opera (V8)
Number.prototype.toExponential() 0 100 0 20
Number.prototype.toFixed() -20 100 0 20
Number.prototype.toPrecision() 1 100 1 21

js
(77.1234).toExponential(-1); // RangeError
(77.1234).toExponential(101); // RangeError

(2.34).toFixed(-100); // RangeError
(2.34).toFixed(1001); // RangeError

(1234.5).toPrecision(-1); // RangeError
(1234.5).toPrecision(101); // RangeError

js
(77.1234).toExponential(4); // 7.7123e+1
(77.1234).toExponential(2); // 7.71e+1

(2.34).toFixed(1); // 2.3
(2.35).toFixed(1); // 2.4 ( :        )

(5.123456).toPrecision(5); // 5.1235
(5.123456).toPrecision(2); // 5.1
(5.123456).toPrecision(1); // 5

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