In JavaScript, the Error name property is used to set or return the name of an error.
Syntax:
errorObj.name
Property values: This property contains six different values as described below:
- SyntaxError: It represents a syntax error.
- RangeError: It represents an error in the range.
- ReferenceError: It represents an illegal reference.
- TypeError: It represents a type error.
- EvalError: It represents an error in the eval() function.
- URIError: It represents an error in the encodeURI().
Return Value: It returns a string, representing the name of the error.
Below are examples of the Error name Property.
Example:
JavaScript
try { eval("alert('neveropen)");} catch (err) { document.write( err.name);} |
Output:
SyntaxError
Example 2: This example shows Syntax Error.
html
<!DOCTYPE html><html lang="en"><head> <title> JavaScript Error name Property </title></head><body style="text-align: center;"> <h1 style="color: green;"> neveropen </h1> <h3> JavaScript Error Name Property </h3> <p id="gfg"></p> <script> try { eval("alert('Geeks for Geeks)"); } catch (err) { document.getElementById( "gfg").innerHTML = err.name; } </script></body></html> |
Output:
Example 3: This example shows Range Error.
html
<!DOCTYPE html><html lang="en"><head> <title> JavaScript Error name Property </title></head><body style="text-align: center;"> <h1 style="color: green;"> neveropen </h1> <h3> JavaScript Error Name Property </h3> <p id="gfg"></p> <script> let num = 0; try { num.toPrecision(1000); } catch (err) { document.getElementById( "gfg").innerHTML = err.name; } </script></body></html> |
Output:
Example 4: This example shows Reference Error.
html
<!DOCTYPE html><html lang="en"><head> <title> JavaScript Error name Property </title></head><body style="text-align: center;"> <h1 style="color: green;"> neveropen </h1> <h3> JavaScript Error Name Property </h3> <p id="gfg"></p> <script> let y; try { y = x + y; } catch (err) { document.getElementById( "gfg").innerHTML = err.name; } </script></body></html> |
Output:
Example 5: This example shows Type Error.
html
<!DOCTYPE html><html lang="en"><head> <title> JavaScript Error name Property </title></head><body style="text-align: center;"> <h1 style="color: green;"> neveropen </h1> <h3> JavaScript Error Name Property </h3> <p id="gfg"></p> <script> let x = 1; try { x.toLowerCase(); } catch (err) { document.getElementById( "gfg").innerHTML = err.name; } </script></body></html> |
Output:
Browser Support: The browsers supported by JavaScript Error name Property are listed below:
- Google Chrome
- Firefox
- Internet Explorer
- Opera
- Safari
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