jQuery Array Search Simple Example

var dayArr = Array( { "day" : "day01", "price" : "$210" }, { "day" : "day02", "price" : "$220" }, { "day" : "day03", "price" : "$230" } );

var findDay = 'day02'; //find price for day 1

var price = $.map(dayArr, function(value, key) {
     if (value.day == findDay)
     {
        return value.price;
     }
});
console.log(price);
//output: $220
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