JavaScript 错误参考 - JavaScript 编辑

下面列出了 JavaScript 抛出的错误。这些错误是有用的调试帮助，但报告的问题并不总是十分明了。下面的页面提供有关这些错误的详细信息。每个错误都是基于 Error  的对象，并且具有名称和消息。

Web 控制台中显示的错误可能包含指向下面相应页面的链接，以帮助您快速理解代码中的问题。

错误列表

在此列表中，每个页面按名称（错误类型）和信息（更详细的容易理解的错误信息）列出。 总之，这两者提供了理解和解决错误的线索。 有关更多信息，请按照以下链接！

• Error: Permission denied to access property "x"
• InternalError: too much recursion
• 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: "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: "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: "x" is not a legal ECMA-262 octal constant
• 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: "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 assign to property "x" on "y": not an object
• 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: cyclic object value
• TypeError: invalid 'in' operand "x"
• 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: malformed URI sequence
• Warning: -file- is being assigned a //# sourceMappingURL, but already has one
• Warning: Date.prototype.toLocaleFormat is deprecated
• Warning: JavaScript 1.6's for-each-in loops are deprecated
• Warning: String.x is deprecated; use String.prototype.x instead
• Warning: expression closures are deprecated
• Warning: unreachable code after return statement
• X.prototype.y called on incompatible type

相关链接

• What went wrong? Troubleshooting JavaScript: Beginner's introductory tutorial on fixing JavaScript errors.