JavaScript & Error Types

JavaScript提供了8个错误对象，这些错误对象会根据错误类型在try / catch表达式中引发：

Error

EvalError

RangeError

ReferenceError

SyntaxError

TypeError

URIError

Error

message

name

EvalError

eval()

RangeError

RangeError: argument is not a valid code point

RangeError: invalid array length

RangeError: invalid date

RangeError: precision is out of range

RangeError: radix must be an integer

RangeError: repeat count must be less than infinity

RangeError: repeat count must be non-negative

ReferenceError

ReferenceError: "x" is not defined

ReferenceError: assignment to undeclared variable "x"

ReferenceError: can't access lexical declaration 'X' before initialization

ReferenceError: deprecated caller or arguments usage

ReferenceError: invalid assignment left-hand side

ReferenceError: reference to undefined property "x"

SyntaxError

SyntaxError: "0"-prefixed octal literals and octal escape seq. are deprecated

SyntaxError: "use strict" not allowed in function with non-simple parameters

SyntaxError: "x" is a reserved identifier

SyntaxError: JSON.parse: bad parsing

SyntaxError: Malformed formal parameter

SyntaxError: Unexpected token

SyntaxError: Using //@ to indicate sourceURL pragmas is deprecated. Use //# instead

SyntaxError: a declaration in the head of a for-of loop can't have an initializer

SyntaxError: applying the 'delete' operator to an unqualified name is deprecated

SyntaxError: for-in loop head declarations may not have initializers

SyntaxError: function statement requires a name

SyntaxError: identifier starts immediately after numeric literal

SyntaxError: illegal character

SyntaxError: invalid regular expression flag "x"

SyntaxError: missing ) after argument list

SyntaxError: missing ) after condition

SyntaxError: missing : after property id

SyntaxError: missing ; before statement

SyntaxError: missing = in const declaration

SyntaxError: missing ] after element list

SyntaxError: missing formal parameter

SyntaxError: missing name after . operator

SyntaxError: missing variable name

SyntaxError: missing } after function body

SyntaxError: missing } after property list

SyntaxError: redeclaration of formal parameter "x"

SyntaxError: return not in function

SyntaxError: test for equality (==) mistyped as assignment (=)?

SyntaxError: unterminated string literal

TypeError

TypeError: "x" has no properties

TypeError: "x" is (not) "y"

TypeError: "x" is not a constructor

TypeError: "x" is not a function

TypeError: "x" is not a non-null object

TypeError: "x" is read-only

TypeError: 'x' is not iterable

TypeError: More arguments needed

TypeError: Reduce of empty array with no initial value

TypeError: can't access dead object

TypeError: can't access property "x" of "y"

TypeError: can't define property "x": "obj" is not extensible

TypeError: can't delete non-configurable array element

TypeError: can't redefine non-configurable property "x"

TypeError: cannot use 'in' operator to search for 'x' in 'y'

TypeError: cyclic object value

TypeError: invalid 'instanceof' operand 'x'

TypeError: invalid Array.prototype.sort argument

TypeError: invalid arguments

TypeError: invalid assignment to const "x"

TypeError: property "x" is non-configurable and can't be deleted

TypeError: setting getter-only property "x"

TypeError: variable "x" redeclares argument

URIError

decodeURI()

decodeURIComponent()

encodeURI()

encodeURIComponent()

refs

https://flaviocopes.com/javascript-errors/

https://flaviocopes.com/javascript-custom-errors/

xgqfrms 2012-2020

www.cnblogs.com 发布文章使用：只允许注册用户才可以访问！