Data transformation functions

Data transformation functions are helper functions to make data transformation easier in expressions.

JavaScript in expressions

You can use any JavaScript in expressions. Refer to [Expressions](/code/expressions/) for more information.

For a list of available functions, refer to the page for your data type:

• Arrays
• Dates
• Numbers
• Objects
• Strings

Usage

Data transformation functions are available in the expressions editor.

The syntax is:

{{ dataItem.function() }}

For example, to check if a string is an email:

{{ "example@example.com".isEmail() }}

// Returns true