JavaScript | Error.prototype.toString() Method
The Error.prototype.toString() method is an inbuilt method in JavaScript which is used to returns a string representing the specified Error object.
Syntax:
e.toString()
Parameters: This method does not accept any parameters.
Return value: This method returns a string representing the specified Error object.
Below examples illustrate the Error.prototype.toString() Method in JavaScript:
Example 1:
var geeks1 = new Error(); document.writeln(geeks1.toString()); document.writeln( "<br>" ); geeks1.name = undefined; document.writeln(geeks1.toString()); document.writeln( "<br>" ); geeks1.name = 'GeeksForGeeks' ; document.writeln(geeks1.toString()); |
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Output:
Error Error GeeksForGeeks
Example 2:
var geeks = new Error( 'Error.prototype.toString()' ); document.writeln(geeks.toString()); document.writeln( "<br>" ); geeks.name = undefined; document.writeln(geeks.toString()); document.writeln( "<br>" ); geeks.name = '' ; document.writeln(geeks.toString()); document.writeln( "<br>" ); geeks.message = "Error Type" ; document.writeln(geeks.toString()); document.writeln( "<br>" ); geeks.message = undefined; document.writeln(geeks.toString()); document.writeln( "<br>" ); geeks.name = 'GeeksForGeeks' ; document.writeln(geeks.toString()); |
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Output:
Error: Error.prototype.toString() Error: Error.prototype.toString() Error.prototype.toString() Error Type GeeksForGeeks
Supported Browsers: The browsers supported by Error.prototype.toString() Method are listed below:
- Google Chrome
- Firefox
- Edge