length

utility

Returns the length of arrays, strings, objects, or DataFrame height

Syntax

length(value)

Parameters

value (array | string | object | DataFrame)

The value to measure

Returns

number

The length/size of the input value

Examples

Get length of an array
Input:
[1, 2, 3] | length
Output:
3
Get length of a string
Input:
"hello" | length
Output:
5
Get number of rows in DataFrame
Input:
. | length
Output:
10

The length() function returns the size or length of various data types including arrays, strings, objects, and DataFrames.

Usage

Use length() to count elements in arrays, characters in strings, properties in objects, or rows in DataFrames.

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