JavaScript Error.prototype.toString() Method

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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 zambiatek1 = new Error();
console.log(zambiatek1.toString());
 
zambiatek1.name = undefined;
console.log(zambiatek1.toString());
 
zambiatek1.name = 'GeeksForGeeks';
console.log(zambiatek1.toString());

Output:

Error
Error
GeeksForGeeks

Example 2:

javascript

let zambiatek = new Error('Error.prototype.toString()');
console.log(zambiatek.toString());
 
zambiatek.name = undefined;
console.log(zambiatek.toString());
 
zambiatek.name = '';
console.log(zambiatek.toString());
 
zambiatek.message = "Error Type";
console.log(zambiatek.toString());
 
zambiatek.message = undefined;
console.log(zambiatek.toString());
 
zambiatek.name = 'GeeksForGeeks';
console.log(zambiatek.toString());

Output:

Error: Error.prototype.toString()
Error: Error.prototype.toString()
Error.prototype.toString()
Error Type

GeeksForGeeks

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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