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