Break an array into chunks of a certain size

arrayChunk.js

/**
 * Break an array into chunks of a certain size
 * @param {array} array - The array to break up
 * @param {integer} chunksSize - The size of each subarray
 * @returns {Array} - Array of subarrays
 */
function arrayChunk(array, chunksSize){
	var i, j, chunk = chunksSize, chunks = [];
	for (i = 0, j = array.length; i < j; i += chunk) {
		chunks.push(array.slice(i, i + chunk));
	}
	return chunks;
}