CFScript is an extension of CFML on the ColdFusion platform. CFScript resembles JavaScript. Some ColdFusion developers prefer it since it has less visual and typographical overhead than ordinary CFML.
Contents
Usage
It is considered best practice to write ColdFusion Components and all business logic in CFScript and to use CFML only in .cfm files amongst HTML.
All CFScript code must be contained within a CFScript tag pair as follows, unless it's within a pure script-based ColdFusion Component.
A simple example of a function:
A simple example of a component in CFScript, containing two functions:
ColdFusion 11, Railo 4.1+ and Lucee 4.5+ both do their best to fully support cf tags in CFScript. While there may not be direct substitutions for all tags, it is often still possible to achieve the results of a tag in script, but via a different syntax. For example, this is how to get a query into a variable in CFSCRIPT without writing a UDF:
Syntax
Since ColdFusion 8, CFScript has supported syntax abbreviations that are common in many other programming languages, such as "++", "<=" and "+=".
Comments
CFScript has two forms of comments: single line and multiline.
Differences from JavaScript
Although CFScript and JavaScript are similar, they have several key differences. The following list identifies CFScript features that differ from JavaScript:
window
and document
, are not available.