SyntaxError: JSON.parse: bad parsing

    SyntaxError: JSON.parse: unterminated string literal
    SyntaxError: JSON.parse: bad control character in string literal
    SyntaxError: JSON.parse: bad character in string literal
    SyntaxError: JSON.parse: bad Unicode escape
    SyntaxError: JSON.parse: bad escape character
    SyntaxError: JSON.parse: unterminated string
    SyntaxError: JSON.parse: no number after minus sign
    SyntaxError: JSON.parse: unexpected non-digit
    SyntaxError: JSON.parse: missing digits after decimal point
    SyntaxError: JSON.parse: unterminated fractional number
    SyntaxError: JSON.parse: missing digits after exponent indicator
    SyntaxError: JSON.parse: missing digits after exponent sign
    SyntaxError: JSON.parse: exponent part is missing a number
    SyntaxError: JSON.parse: unexpected end of data
    SyntaxError: JSON.parse: unexpected keyword
    SyntaxError: JSON.parse: unexpected character
    SyntaxError: JSON.parse: end of data while reading object contents
    SyntaxError: JSON.parse: expected property name or '}'
    SyntaxError: JSON.parse: end of data when ',' or ']' was expected
    SyntaxError: JSON.parse: expected ',' or ']' after array element
    SyntaxError: JSON.parse: end of data when property name was expected
    SyntaxError: JSON.parse: expected double-quoted property name
    SyntaxError: JSON.parse: end of data after property name when ':' was expected
    SyntaxError: JSON.parse: expected ':' after property name in object
    SyntaxError: JSON.parse: end of data after property value in object
    SyntaxError: JSON.parse: expected ',' or '}' after property value in object
    SyntaxError: JSON.parse: expected ',' or '}' after property-value pair in object literal
    SyntaxError: JSON.parse: property names must be double-quoted strings
    SyntaxError: JSON.parse: expected property name or '}'
    SyntaxError: JSON.parse: unexpected character
    SyntaxError: JSON.parse: unexpected non-whitespace character after JSON data

?

JSON.parse() JSON . JSON , .

JSON.parse() trailing comma

SyntaxError .

JSON.parse("[1, 2, 3, 4,]");
JSON.parse('{"foo": 1,}');
// SyntaxError JSON.parse: unexpected character
// at line 1 column 14 of the JSON data

JSON trailing comma .

JSON.parse("[1, 2, 3, 4]");
JSON.parse('{"foo": 1}');

'foo' .

JSON.parse("{'foo': 1}");
// SyntaxError: JSON.parse: expected property name or '}'
// at line 1 column 2 of the JSON data

"foo" .

JSON.parse('{"foo": 1}');

0

01 0 . .

JSON.parse('{"foo": 01}');
// SyntaxError: JSON.parse: expected ',' or '}' after property value
// in object at line 1 column 2 of the JSON data

JSON.parse('{"foo": 1.}');
// SyntaxError: JSON.parse: unterminated fractional number
// at line 1 column 2 of the JSON data

0 1 .

JSON.parse('{"foo": 1}');
JSON.parse('{"foo": 1.0}');

• JSON
• JSON.parse()
• JSON.stringify()