javascript

SyntaxError: Octal literals in strict mode

Octal literals are not allowed in strict mode

Fixes

1.Use 0o prefix for octal (0o777)
2.Convert to decimal or hex
3.Remove leading zero from number

SyntaxErrorruntimestrict-mode

Related Errors

javascript3 fixes

Cannot read property of undefined

Cannot read propert(y|ies) of undefined

•Add optional chaining (?.)
•Check if object exists before accessing

javascript3 fixes

Cannot read property of null

Cannot read propert(y|ies) of null

•Add null check before access
•Use optional chaining (?.)

javascript3 fixes

TypeError: X is not a function

is not a function

•Check spelling of method name
•Verify import is correct