jsdoc.coffee

### define function variable before block to avoid code being appended to closing part of JSDoc comment ###
cube = ''

###*
# Funtion to calculate cube of input
# @param {number} Number to operate on
# @return {number} Cube of input
###

cube = (x) -> x*x*x

jsdoc.js

/* define function variable before block to avoid code being appended to closing part of JSDoc comment */
var cube;
cube = '';

/**
* Funtion to calculate cube of input
* @param {number} Number to operate on
* @return {number} Cube of input
*/
cube = function(x) {
  return x * x * x;
};