---
title: "NumberArray | JavaScript maps SDK"
description: "Documentation for MapTiler SDK"
---

> For AI agents: a documentation index is available at [/llms.txt](https://docs.maptiler.com/llms.txt). Markdown versions of all pages are available by appending .md to any URL.

# Class NumberArray

An array of numbers. Create instances from bare arrays or numeric values using the static method `NumberArray.parse`.

#### Private[](#private)

##### Index

### Constructors[](#constructors)

[constructor](#constructor)

### Properties[](#properties)

[values](#values)

### Methods[](#methods)

[toString](#tostring) [interpolate](#interpolate) [parse](#parse)

## Constructors[](#constructors-1)

### constructor[](#constructor)

-   new NumberArray(values: number\[\]): NumberArray[](#constructornumberarray)
    
    #### Parameters
    
    -   values: number\[\]
    
    #### Returns NumberArray
    

## Properties[](#properties-1)

### values[](#values)

values: number\[\]

## Methods[](#methods-1)

### toString[](#tostring)

-   toString(): string[](#tostring-1)
    
    #### Returns string
    

### `Static`interpolate[](#interpolate)

-   interpolate(from: NumberArray, to: NumberArray, t: number): NumberArray[](#interpolate-1)
    
    #### Parameters
    
    -   from: NumberArray
    -   to: NumberArray
    -   t: number
    
    #### Returns NumberArray
    

### `Static`parse[](#parse)

-   parse(input?: number | number\[\] | NumberArray | null): NumberArray | undefined[](#parse-1)
    
    Numeric NumberArray values
    
    #### Parameters
    
    -   `Optional`input: number | number\[\] | NumberArray | null
        
        A NumberArray value
        
    
    #### Returns NumberArray | undefined
    
    A `NumberArray` instance, or `undefined` if the input is not a valid NumberArray value.