var arr  = ['Swift','ANSI C','DirectX'];
var list = document.getElementById('test-list');

for (var i = arr.length - 1; i  >= 0; i --) {
    alert('arr: ' + arr[i]);
    for (var cIndex = list.children.length - 1; cIndex  >= 0; cIndex--) {
        alert('list: ' + list.children[cIndex].innerText); 
        alert('i: ' + i + '  cIndex : ' + cIndex );
        if(arr[i] == list.children[cIndex].innerText){
            alert('removeChild: ' + list.children[cIndex].innerText); 
            list.removeChild(list.children[cIndex]);
            alert('break'); 
            break;
        }
    }   
}