What's the best way to query an array in javascript to get just the items from it I want?

Question

I have an array like this (with just over 3000 objects instead of the 3 here):

items = [{name:\'charlie\', age:\'16\'}, {name:\'ben\', age:\'18\'}, {name:\'s         


        

Answer 1

making use of javascript magnificent function eval() which evaluates string as code at runtime, we can define a prototype method for Array type

Array.prototype.where = function (query) {
var newArray = [];
for(var i=0; i

and use it with any array, passing the query as string

var newArray= items.where('.age >= 18');