loop_delete.js

// #1 - iterate only if no delete
for(var i=0 ;i<items.length;){
    if(items[i].forDelete){
        items.splice(i,1);
    }else{
        i++;
    }
}

// #2 - iterate backwards
for(var i=items.length-1;i>=0;i--){
    if(items[i].forDelete){
    items.splice(i,1);
    }
}

// #3 - decrement after iterate
for(var i=0 ;i<items.length;i++){
    if(items[i].forDelete){
        items.splice(i,1);
        i--;
    }
}