Length

→ number

Returns the number of characters in a string.

Available in: Email CloudPage Automation Triggered Send

Syntax

Platform.Function.Length(value)

1 argument

Parameters

Name	Type	Required	Description
value	string	Yes	String to measure

Examples

var str = "Hello!";
var len = Platform.Function.Length(str);
Write(len); // 6

// Validate minimum length
var password = Platform.Request.GetFormData("password");
if (Platform.Function.Length(password) < 8) {
    Write("Password must be at least 8 characters.");
}

Notes

This is equivalent to str.length in JavaScript, but provided as a Platform function for consistency with other string operations. Both approaches work in SSJS.