JavaScript Symbol description Property
JavaScript symbol description is an inbuilt property in JavaScript that is used to return the optional description of the specified symbol objects.
Syntax: Here "A" is the specified symbol object which might be Symbol('anyValues'), Symbol.iterator, Symbol.for('anyValues') etc.
A.description;Parameters: This property does not accept any parameter.
Return value: This property returns the optional description of the specified symbol objects.
Example 1: The below examples illustrate the JavaScript Symbol description Property.
// Calling description property over
// some specified symbol objects
console.log(Symbol('Geek').description);
console.log(Symbol.iterator.description);
console.log(Symbol.for('GeeksforGeeks').description);
console.log(Symbol('Geeks').description + 'forGeeks');
Output
Geek Symbol.iterator GeeksforGeeks GeeksforGeeks
Example 2: The below examples illustrate the JavaScript Symbol description Property.
// Calling description property over
// a specified symbol objects
console.log(Symbol().description);
Output
undefined
In the above code, the symbol object "Symbol()" should have some parameters otherwise it gives undefined as the output.
Supported Browsers:
- Chrome 70 and above
- Edge 79 and above
- Firefox 63 and above
- Opera 57 and above
- Safari 12.1 and above
We have a complete list of Javascript symbols' properties and methods, to check those please go through the Javascript Symbol Complete Reference article.
