Last Updated : 11 Jul, 2025
JavaScript String valueOf() method is an inbuilt method in JavaScript that is used to return the value of the given string. The valueOf() method in JavaScript returns the primitive value of a string. It does not modify the original string. This method can also be used to convert a string object into a string.
Syntax:string.valueOf()Parameters:
It returns a string that represents the value of the given string object.
Example 1: Here is the basic example if a string.valueOf() method.
javascript
let a = new String("GeeksforGeeks");
console.log(a.valueOf());
Example 2: Another example of the above-explained-method.
javascript
// Taking a string as input and printing it
// with the help of string.valueOf() method
let a = new String("GeeksforGeeks");
console.log(a.valueOf());
Example 3: In this example, using the valueOf() method to obtain their primitive string values.
javascript
// Taking a string as input and printing it
// with the help of string.valueOf() method
let a = new String("Geeks");
let b = new String("for");
let c = new String("Geeks");
console.log(a.valueOf(), b.valueOf(), c.valueOf());
We have a complete list of Javascript string methods, to check those please go through this Javascript String Complete reference article.
Supported Browsers:Is valueOf() automatically called in string operations?The valueOf() method returns the primitive value of a String object as a string data type.
Can valueOf() be overridden or customized?No, valueOf() is not automatically called in typical string operations. JavaScript usually accesses the primitive value implicitly.
Is valueOf() commonly used in everyday coding?Yes, you can override valueOf() to customize the behavior of how the primitive value of the object is returned.
Does valueOf() affect the original string object?valueOf() is not commonly used explicitly in everyday coding since JavaScript automatically calls it when necessary, such as in string concatenation or comparison operations.
No, valueOf() does not modify the original string object. It only returns the primitive value without altering the object.
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