gistfile1.js

/**
 * @param {number} toothCount is the number of teeth in the barracuda's mouth (required)
 * @param {number} weight is the weight of the barracuda
 * @param {number} length is the length of the barracuda
 */
function barracuda(toothCount, weight, length){
    //...
}

gistfile2.js

// Use assertion code
function barracuda(toothCount, weight, length){
    assert("number" === typeof toothCount);
    //...
}

gistfile3.txt

// Adhere to function argument description:
// @param {number} toothCount is the number of teeth in the barracuda's mouth (required)
function barracuda(toothCount, weight, length){
    // Assume toothCount is defined and is a number
}