ReferenceError
object represents an error when a non-existent variable is referenced.
ReferenceError()
ReferenceError
对象。
ReferenceError.prototype.message
ReferenceError
should provide its own
message
property, in
SpiderMonkey
, it inherits
Error.prototype.message
.
ReferenceError.prototype.name
Error
.
ReferenceError.prototype.fileName
Error
.
ReferenceError.prototype.lineNumber
Error
.
ReferenceError.prototype.columnNumber
Error
.
ReferenceError.prototype.stack
Error
.
ReferenceError
try {
let a = undefinedVariable
} catch (e) {
console.log(e instanceof ReferenceError) // true
console.log(e.message) // "undefinedVariable is not defined"
console.log(e.name) // "ReferenceError"
console.log(e.fileName) // "Scratchpad/1"
console.log(e.lineNumber) // 2
console.log(e.columnNumber) // 6
console.log(e.stack) // "@Scratchpad/2:2:7\n"
}
ReferenceError
try {
throw new ReferenceError('Hello', 'someFile.js', 10)
} catch (e) {
console.log(e instanceof ReferenceError) // true
console.log(e.message) // "Hello"
console.log(e.name) // "ReferenceError"
console.log(e.fileName) // "someFile.js"
console.log(e.lineNumber) // 10
console.log(e.columnNumber) // 0
console.log(e.stack) // "@Scratchpad/2:2:9\n"
}
| 规范 |
|---|
|
ECMAScript (ECMA-262)
The definition of 'ReferenceError' in that specification. |
| Desktop | Mobile | Server | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ReferenceError
|
Chrome 1 | Edge 12 | Firefox 1 | IE 5.5 | Opera 5 | Safari 1 | WebView Android 1 | Chrome Android 18 | Firefox Android 4 | Opera Android 10.1 | Safari iOS 1 | Samsung Internet Android 1.0 | nodejs 0.1.100 |
ReferenceError()
构造函数
|
Chrome 1 | Edge 12 | Firefox 1 | IE 5.5 | Opera 5 | Safari 1 | WebView Android 1 | Chrome Android 18 | Firefox Android 4 | Opera Android 10.1 | Safari iOS 1 | Samsung Internet Android 1.0 | nodejs 0.1.100 |
完整支持
Error
EvalError
InternalError
RangeError
ReferenceError
SyntaxError
TypeError
URIError
Function
Object
Object.prototype.__defineGetter__()
Object.prototype.__defineSetter__()
Object.prototype.__lookupGetter__()
Object.prototype.__lookupSetter__()
Object.prototype.hasOwnProperty()
Object.prototype.isPrototypeOf()
Object.prototype.propertyIsEnumerable()
Object.prototype.toLocaleString()
Object.prototype.toSource()
Object.prototype.toString()
Object.prototype.valueOf()
Object.setPrototypeOf()