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valueOf Redirect 3


The valueOf() method returns the primitive value of a String object.




The valueOf method of String returns the primitive value of a String object as a string data type. This value is equivalent to String.prototype.toString().

This method is usually called internally by JavaScript and not explicitly in code.


Example: Using valueOf

x = new String("Hello world");
alert(x.valueOf())          // Displays "Hello world"


Specification Status Comment
ECMAScript 1st Edition. Standard Initial definition.
Implemented in JavaScript 1.1
ECMAScript Language Specification 5.1th Edition (ECMA-262) Standard  
ECMAScript Language Specification 6th Edition (ECMA-262) Draft  

Browser compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
Basic support (Yes) (Yes) (Yes) (Yes) (Yes)
Feature Android Chrome for Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
Basic support (Yes) (Yes) (Yes) (Yes) (Yes) (Yes)

See also

Document Tags and Contributors

Last updated by: Sheppy,