, , , i descriptions.length ( ), , undefined.
, let var, .
var descriptions = ["red","blue","green","purple","white","black"];
for (let i = 0; i < descriptions.length; i++) {
$("#item-"+i).on("click", function(){
var currentDescr = descriptions[i];
console.log(currentDescr);
$("#footer-text").html(currentDescr);
});
};
i .
var descriptions = ["red","blue","green","purple","white","black"];
for (let i = 0; i < descriptions.length; i++) {
(function(index){
$("#item-" + index).on("click", function(){
var currentDescr = descriptions[index];
console.log(currentDescr);
$("#footer-text").html(currentDescr);
});
})(i);
};