JavaScript valueOf()Method

Number 对象参考手册JavaScript Number Object

Examples

Returns the primitive numeric value of a Number object:

var num = 15;
var n = num.valueOf();

nOutput:


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Definition and Usage

The valueOf() method can return a number as a string.


Browser Support

Internet ExplorerFirefoxOperaGoogle ChromeSafari

All major browsers support the valueOf() method


Syntax

number.valueOf()

Return Value

Type Description
Number The primitive value of a number

Technical Details

JavaScript version: 1.1


Number 对象参考手册JavaScript Number Object

Other Extensions