Get a 'n' number of elements from an array

filterArray.js

/**
* Filters out first 'n' elements from the list
*/

/**
* Represents a array
*/
var list = [ 1, 2, 3, 4, 5, 6, 7, 6, 3, 4, 5, 12, 123, 2, 2, 23, 4, 5, 67, 4, 2, 34, 23, 34, 5, 45];


/**
* Represents a filterArray method.
* @ constructor
* @param {array} arrayItem - An array containing some elements
*/
filterArray(arrayItem) {
    var list = []
    var n = 8;
    for(var i = 0; i < n ; i++) {
        list.push(arrayItem[i])
    }
    return list
}

/**
* Call the function and pass an array 
* @param {list}
*/
filterArray(list)

// [1, 2, 3, 4, 5, 6, 7, 6, 3, 4, 5, 12, 123, 2, 2, 23, 4, 5, 67, 4]

Method to filter out first 'n' elements from an array.