ErrLookup › zloirock/core-js

zloirock/core-js

Standard Library · JavaScript · 3,286 source files

Analyzed at 84e45fba09 on 2026-08-30. 38 documented errors.

Code / MessageTypeSeverityTags
ArrayBuffer expected
exception error typeerror, arraybuffer, polyfill, type-mismatch
Cannot convert a Symbol value to a string
exception error core-js, symbol, type-coercion, typeerror
Wrong length
exception error core-js, typed-array, arraybuffer, rangeerror
Failed to parse number at
exception error json, syntax-error, polyfill, core-js
is not a symbol (dynamic: tryToString(sym) + ' is not a…
exception error javascript, polyfill, symbol, typeerror
InvalidCharacterError
The string is not correctly encoded
exception error atob, base64, invalid-character, encoding, polyfill
Failed to parse value at
exception error json, syntax-error, polyfill, core-js
Target is not a typed array
exception error typeerror, typed-array, polyfill, wrong-this
String should only contain hex characters
exception error syntax-error, hex-parsing, uint8array, polyfill, validation
Incompatible receiver
exception error typeerror, internal-state, wrong-this, duplicate-polyfill
is not a typed array constructor
exception error typeerror, typed-array, constructor, subclassing
Padding is too early
exception error base64, syntax-error, validation, padding
Cannot convert a Symbol value to a number
exception error javascript, polyfill, typeerror, symbol
Promise can't be resolved itself
exception error javascript, polyfill, promise, typeerror
Transfer option cannot be converted to a sequence
exception error structured-clone, transfer, typeerror, options
Unexpected character after padding
exception error base64, syntax-error, padding, trailing-data
Expected sequence with length 2
exception error urlsearchparams, sequence, typeerror, polyfill
Malformed padding: only one =
exception error base64, syntax-error, padding, validation
Unexpected character
exception error base64, syntax-error, invalid-characters, encoding
Extra bits
exception error core-js, base64, uint8array, syntaxerror
Unexpected extra character
exception error json, syntax-error, parsing, trailing-data
DATA_CLONE_ERROR
Uncloneable type: (dynamic: 'Uncloneable type: ' + type)
exception error structured-clone, domexception, data-clone-error, polyfill
Invalid capture group name
exception error javascript, polyfill, regexp, syntaxerror
Object already initialized
exception error typeerror, internal-state, double-initialization, polyfill
Malformed padding: exactly one additional character
exception error core-js, base64, padding, syntaxerror
Failed to parse number's fraction at
exception error json, syntax-error, polyfill, core-js
(dynamic: throw new TypeError(failure))
exception error url, parse-error, typeerror, polyfill
Missing padding
exception error core-js, base64, padding, syntaxerror
Symbol is not a constructor
exception error javascript, polyfill, symbol, typeerror
Incorrect invocation
exception error typeerror, typed-array, constructor, illegal-invocation
Unexpected character
exception error json, syntax-error, parsing, unexpected-token
Failed to parse number's exponent value at
exception error json, syntax-error, polyfill, core-js
String should be an even number of characters
exception error hex, syntax-error, validation, encoding
Incorrect `lastChunkHandling` option
exception error core-js, base64, options-validation, typeerror
Wrong offset
exception error rangeerror, dataview, offset, out-of-bounds
Wrong index
exception error rangeerror, dataview, out-of-bounds, binary-parsing
Unterminated object at
exception error json, syntax-error, unterminated, truncated-input
Unterminated array at
exception error json, syntax-error, unterminated, truncated-input