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JavaScript Error Reference Manual
The name property represents the type name of the error.
errorObj.name
try {
aaalert("Hello world");
}
document.getElementById("result").innerHTML = e.name;
}Test and see‹/›All browsers fully support the name property:
| property | |||||
| name | is | is | is | is | is |
| Return value: | String representing the error name |
|---|---|
| JavaScript version: | ECMAScript 1 |
An error occurred: RangeError - The parameter must be "apple", "banana", or "mango".
function check(value) {
if (["apple", "banana", "mango"].includes(value) === false) {
throw new RangeError("The parameter must be \"apple\", \"banana\", or \"mango\".");
}
}
try {
check("carrot");
}
document.getElementById("result").innerHTML = e.name;
}Test and see‹/›An error occurred: SyntaxError:
try {
eval("varr x = 'Hello'
}
document.getElementById("result").innerHTML = e.name;
}Test and see‹/›An error occurred: TypeError:
try {
undefined.xxx();
}
document.getElementById("result").innerHTML = e.name;
}Test and see‹/›An error occurred decoding URI():
try {
decodeURI("%%");
}
document.getElementById("result").innerHTML = e.name;
}Test and see‹/›