Getting max value(s) in JSON array

Question

I\'m trying to create a JavaScript function which takes information from an array in an external JSON and then takes the max value (or the top 5 values) for one of the JSON

Answer 1

Simplicity thanks you in the long run.

function getMaxValueByAttribute(arr, attr) {
    var max = "-99999999999";
    arr.forEach(function (member, index) {
            // console.log(member, index);
            if (member.hasOwnProperty(attr) && parseFloat(member[attr]) > parseFloat(max)) {
                max = member[attr];
                // console.log("Max now: " + max);
            }
        });
    return max;
    }

Then use it like:

var result = getMaxValueByAttribute(arr, "ppg");
// result = "27.4"