js detect end of array
var group = ["a","b","c","d"];
var groupLength = group.length;
for(var i = 0;i < groupLength;i++){
var item = group[i];
// Do something if is the last iteration of the array
if((i + 1) == (groupLength)){
console.log("Last iteration with item : " + item);
}
}var group = ["a","b","c","d"];
var groupLength = group.length;
while (groupLength--) {
var item = group[groupLength];
if(groupLength == 0){
console.log("Last iteration with item : " + item);
}
}
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