JavaScript Error.prototype.toString() Method
The Error.prototype.toString() method is an inbuilt method in JavaScript that is used to return 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.
The below examples illustrate the Error.prototype.toString() Method in JavaScript:
Example 1: In this example, we will try to return a string using the Error.prototype.toString() Method in JavaScript.
javascript
let Beginner1 = new Error(); console.log(Beginner1.toString()); Beginner1.name = undefined; console.log(Beginner1.toString()); Beginner1.name = 'w3wiki' ; console.log(Beginner1.toString()); |
Output:
Error Error w3wiki
Example 2:
javascript
let Beginner = new Error( 'Error.prototype.toString()' ); console.log(Beginner.toString()); Beginner.name = undefined; console.log(Beginner.toString()); Beginner.name = '' ; console.log(Beginner.toString()); Beginner.message = "Error Type" ; console.log(Beginner.toString()); Beginner.message = undefined; console.log(Beginner.toString()); Beginner.name = 'w3wiki' ; console.log(Beginner.toString()); |
Output:
Error: Error.prototype.toString() Error: Error.prototype.toString() Error.prototype.toString() Error Type w3wiki
We have a complete list of Javascript Error Objects, to check those please go through the Javascript Error Object Complete Reference article
Supported Browsers: The browsers supported by Error.prototype.toString() Method are listed below:
- Google Chrome
- Firefox
- Edge
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