Find last matching object in array of objects

Question

I have an array of objects. I need to get the object type (\"shape\" in this example) of the last object, remove it, and then find the index of the previous object in the ar

Answer 1

var previousInShapeType, index = fruits.length - 1;
for ( ; index >= 0; index--) {
    if (fruits[index].shape == currentShape) {
        previousInShapeType = fruits[index];
        break;
    }
}

You can also loop backwards through array.

Fiddle: http://jsfiddle.net/vonn9xhm/