log10

log10(a: Number): Number | NaN

Returns the logarithm base 10 of a number.

Introduced in DataWeave version 2.4.0.

Parameters

Name	Description
`a`	A `Number` value that serves as input to the function.

Example

This example shows how log10 behaves with different inputs.

Source

%dw 2.0
import * from dw::util::Math
output application/json
---
{
  "log1010": log10(10),
  "log1013": log10(0.13),
  "log10-20": log10(-20)
}DataWeave

Output

{
   "log1010": 1.0,
   "log1013": -0.8860566476931632,
   "log10-20": null
}Json