Find the vaule of of a row in 2 dimensional array by Index value

new_gist_file.js

function ValueOfRowByIndex(id, arr) {
	//console.log("ValueOfRowByIndex");
	//console.log("id  :" + id);
    //console.log("arr  :" + arr);

	//console.log("arr[id][0]  :" + arr[id][0]);
	//console.log("arr[id][1]  :" + arr[id][1]);
	return arr[id][0];
}