delete uindefined array js lodash code example

Example 1: lodash remove undefined values from array

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

Example 2: lodash remove element from list

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