1var colors = ["red",undefined,"","blue",null,"crap"];
2// remove undefined, null, "" and any other crap
3var cleanColors=_.without(colors,undefined,null,"","crap");
4//cleanColors is now ["red","blue"];

1var colors = ["red","blue","green","green"];
2var greens = _.remove(colors, function(c) {
3    return (c === "green"); //remove if color is green
4});
5//colors is now ["red","blue"]
6//greens is now ["green","green"]

1var arr = [1, 2, 3, 3, 4, 5];
2_.remove(arr, function(e) {
3    return e === 3;
4});
5console.log(arr);

1var a = [
2  {id: 1, name: 'A'},
3  {id: 2, name: 'B'},
4  {id: 3,  name: 'C'},
5  {id: 4, name: 'D'}
6];
7var removeItem = [1,2];
8removeItem.forEach(function(id){
9   var itemIndex = a.findIndex(i => i.id == id);
10   a.splice(itemIndex,1);
11});
12console.log(a);