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Number

The Number JavaScript object is a wrapper object allowing you to work with numerical values. A Number object is created using the Number() constructor.
JavaScript Number Reference

Number.EPSILON

The Number.EPSILON property represents the difference between one and the smallest value greater than one that can be represented as a Number.
ECMAScript6 JavaScript Number Property

Number.isFinite()

The Number.isFinite() method determines whether the passed value is a finite number.
JavaScript Method Number Reference

Number.isInteger()

The Number.isInteger() method determines whether the passed value is an integer.
JavaScript Method Number Reference

Number.isNaN()

The Number.isNaN() method determines whether the passed value is NaN. It is a more robust version of the original, global isNaN().
ECMAScript6 JavaScript Method Number

Number.isSafeInteger()

The Number.isSafeInteger() method determines whether the provided value is a number that is a safe integer. A safe integer is an integer that
ECMAScript6 JavaScript Method Number

Number.MAX_SAFE_INTEGER

The Number.MAX_SAFE_INTEGER constant represents the maximum safe integer in JavaScript (253 - 1).
ECMAScript6 JavaScript Number Property

Number.MAX_VALUE

The Number.MAX_VALUE property represents the maximum numeric value representable in JavaScript.
JavaScript Number Property

Number.MIN_SAFE_INTEGER

The Number.MIN_SAFE_INTEGER constant represents the minimum safe integer in JavaScript (-(253 - 1)).
ECMAScript6 JavaScript Number Property

Number.MIN_VALUE

The Number.MIN_VALUE property represents the smallest positive numeric value representable in JavaScript.
JavaScript Number Property

Number.NaN

The Number.NaN property represents Not-A-Number. Equivalent of NaN.
JavaScript Number Property

Number.NEGATIVE_INFINITY

The Number.NEGATIVE_INFINITY property represents the negative Infinity value.
JavaScript Number Property

Number.parseFloat()

The Number.parseFloat() method parses a string argument and returns a floating point number. This method behaves identically to the global function parseFloat() and is part of ECMAScript 6 (its purpose is modularization of globals).
ECMAScript6 JavaScript Method Number

Number.parseInt()

The Number.parseInt() method parses a string argument and returns an integer of the specified radix or base.
ECMAScript6 JavaScript Method Number

Number.POSITIVE_INFINITY

The Number.POSITIVE_INFINITY property represents the positive Infinity value.
JavaScript Number Property

Number.prototype

The Number.prototype property represents the prototype for the Number constructor.
JavaScript Number Property Prototype

Number.prototype.toExponential()

The toExponential() method returns a string representing the Number object in exponential notation.
JavaScript Method Number Prototype

Number.prototype.toFixed()

The toFixed() method formats a number using fixed-point notation.
JavaScript Method Number Prototype

Number.toInteger()

The Number.toInteger() method used to evaluate the passed value and convert it to an integer, but its implementation has been removed.
JavaScript Method Number Obsolete

Number.prototype.toPrecision()

The toPrecision() method returns a string representing the Number object to the specified precision.
JavaScript Method Number Prototype