JavaScript Symbol toStringTag Property

by Online Tutorials Library July 22, 2022

JavaScript Symbol.toStringTag Properties

The JavaScript Symbol.toStringTag symbol is accessed internally by the Object.prototype.toString() method. It is used for the creation of the default string description of an object.

Syntax

Parameters

String

Return value

String Object.

Browser Support

Chrome	32
Safari	8
Firefox	29
Opera	19

Example 1

  <script>  //JavaScript to illustrate Symbol.toStringTag  class ToString {get [Symbol.toStringTag]() {     return ‘TutorAspire’;    }  }  document.write(Object.prototype.toString.call(new ToString()));  //expected output: [object TutorAspire ]  </script>  

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Output:

[object TutorAspire ]

Example 2

  <script>  //JavaScript to illustrate Symbol.toStringTag  document.write(Object.prototype.toString.call(([1,2,3])));  document.write(“<br>”);  document.write(Object.prototype.toString.call((true)));  //expected output: [object Array]  //[object Boolean]  </script>  

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Output:

[object Array]  [object Boolean]

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