JavaScript
Article
By Sam Deering

jquery get the highest value in array for specific index

By Sam Deering

Simple jQuery code snippet to get the highest value in array for specific index value.

The Dataset.

var data = Array();
data[0] = {"apples":1, "pears":2, "oranges":3};
data[1] = {"apples":3, "pears":3, "oranges":5};
data[2] = {"apples":4, "pears":1, "oranges":6};

The function.

//get the highest value in array for specific index
//usage: getHighestVal(data,index)
//data = array
//index = index of array to analyse
function getHighestVal(data, index)
{
$.each(data, function (i,v)
{
thisVal = v[index];
max = (max The Example:
So in this example, we want to get the highest value of “apple”.
highest value in array for specific index

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  • eibod

    what about lowest? can you share?

    • Here:

      var count = $.map(data, function(data){ return data.apples; }),
      maxCount = Math.max.apply(this,count),
      minCount = Math.min.apply(this,count);

  • eibod

    what about getting the lowest value in an array? can you please share? thank you soooo much!

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