conversion Latest (v1.1.4)

to_number

* string - Returns the parsed number.

to_number(arg: any) -> number

Description

string - Returns the parsed number. Any string that conforms to the json-number production is supported. Note that the floating number support will be implementation specific, but implementations should support at least IEEE 754-2008 binary64 (double precision) numbers, as this is generally available and widely used.
number - Returns the passed in value.
array - null
object - null
boolean - null
null - null

Arguments

Required

Name	Type	Description
`arg`	`any`

Returns

Type: number

Examples

Given the following JSON input:


{
  "foo": -1,
  "zero": 0,
  "numbers": [
    -1,
    3,
    4,
    5
  ],
  "array": [
    -1,
    3,
    4,
    5,
    "a",
    "100"
  ],
  "strings": [
    "a",
    "b",
    "c"
  ],
  "decimals": [
    1.01,
    1.2,
    -1.5
  ],
  "str": "Str",
  "false": false,
  "empty_list": [],
  "empty_hash": {},
  "objects": {
    "foo": "bar",
    "bar": "baz"
  },
  "null_key": null
}

Expression	Result
`to_number('1.0')`	`1`
`to_number('1.1')`	`1.1`
`to_number('4')`	`4`
`to_number(notanumber)`	`null`
`to_number(false)`	`null`
`to_number(null)`	`null`
`to_number([0])`	`null`
`to_number([object Object])`	`null`