JavaScript String valueOf() method
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Definition and usage
valueOf()
The method returns the original value of the string.
valueOf()
The method does not change the original string.
valueOf()
The method can be used to convert a string object to a string.
See also:
Note
valueOf()
The method is the default method of JavaScript strings.
JavaScript uses it internally.
In general, you will not use it in the code.
Instance
Example 1
Get the value of the text:
let text = "Hello World!"; let result = text.valueOf();
It is equivalent to:
let text = "Hello World!"; let result = text;
Example 2
Get the value of the String object:
let text = new String("Hello World!"); let result = text.valueOf();
Syntax
string.valueOf()
Parameter
No parameters.
Return value
Type | Description |
---|---|
String | The original value of the string. |
Thrown
Exception | Description |
---|---|
TypeError | An exception is thrown when the object called this method is not a String. |
Browser support
valueOf()
It is an ECMAScript1 (ES1) feature.
All web browsers support ES1 (JavaScript 1997):
Chrome | IE | Edge | Firefox | Safari | Opera |
---|---|---|---|---|---|
Chrome | IE | Edge | Firefox | Safari | Opera |
Stöd | Stöd | Stöd | Stöd | Stöd | Stöd |
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