JavaScript Symbol description Property

JavaScript symbol description is an inbuilt property in JavaScript which is used to return the optional description of the specified symbol objects.

Syntax: Here “A” is the specified symbol objects 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.

Below examples illustrate the JavaScript Symbol description Property.

Example 1:

<script>

   // Calling description property over
   // some specified symbol objects
   document.write(Symbol('Geek').description +"<br>");
   document.write(Symbol.iterator.description +"<br>");
   document.write(Symbol.for('GeeksforGeeks').description +"<br>");
   document.write(Symbol('Geeks').description + 'forGeeks');

</script>

Output:

Geek
Symbol.iterator
GeeksforGeeks
GeeksforGeeks

Example-2:

<script>

   // Calling description property over
   // a specified symbol objects
   document.write(Symbol().description +"<br>");

</script>

Output:

undefined

In the above code, 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.

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