JSON Types and Values

"hello"

# A sequence of Unicode characters inside double quotes.

123.45

# JSON supports integers and decimals.

true

# Booleans are lowercase `true` and `false`.

null

# Represents an explicit empty value.

{
  "enabled": false,
  "nickname": null
}

# These values are not interchangeable.

{
  "count": 7
}

# Leading zeros are invalid except for zero itself.

{
  "distance": 1.23e6
}

# JSON supports exponent notation.

{
  "value": 0
}

# They are not valid JSON numbers.

jq 'type' <<< '123'

# Quickly verify the parsed type of a JSON value.

{
  "message": "She said \"hello\""
}

# Use backslash to include literal double quotes.

{
  "text": "line 1
line 2\tindented"
}

# Encode newlines and tabs inside strings.

{
  "currency": "\u20AC"
}

# Represent a character with a Unicode escape.