The Symbol.toStringTag is a well-known symbol and string-valued property in JavaScript which is used in the creation of the default string description of an object.
Syntax:
Symbol.toStringTag
Parameters: This does not take any parameter.
Return value: This returns the String Object.
Example 1: In this example, we will use Symbol toStringTag Property
javascript
// Illustrating Symbol.toStringTag console.log(Object.prototype.toString.call( 'Geeks' )); console.log(Object.prototype.toString.call( "Geeks" )); console.log(Object.prototype.toString.call([1, 2, 3, 4])); console.log(Object.prototype.toString.call(5)); console.log(Object.prototype.toString.call( true )); console.log(Object.prototype.toString.call( false )); console.log(Object.prototype.toString.call(undefined)); console.log(Object.prototype.toString.call( null )); |
[object String] [object String] [object Array] [object Number] [object Boolean] [object Boolean] [object Undefined] [object Null]
Example 2: In this example, we will use Symbol toStringTag Property
javascript
// Illustrating Symbol.toStringTag class ToString { get [Symbol.toStringTag]() { return 'neveropen' ; } } // Getting the string description of the object console.log(Object.prototype.toString.call( new ToString())); |
[object neveropen]
Supported Browsers:
- Google Chrome 49
- Firefox 51
- Edge 15
- Opera 36 and above
- Apple Safari 10 and above
Reference: https://devdocs.io/javascript/global_objects/symbol/tostringtag