current community

your communities

more stack exchange communities

Stack Exchange
tour help
careers 2.0
Take the 2-minute tour ×
Stack Overflow is a question and answer site for professional and enthusiast programmers. It's 100% free, no registration required.
up vote 2 down vote favorite

I know that this question has been asked many many times in this community but I hardly see the monitor of my laptop as I'm working for a long time. some help plz.

I want to sort this array of object to get the highest and the lowest value of all the given values that are being inserted to the array automatically.

var catesArrayHolder = new Array();
for(var chartGetter=1; chartGetter <= num; chartGetter++){
    var catesArray = new Array();
    for(var chartGetterArray=1; chartGetterArray <= series; chartGetterArray++){
        idOfInput  = "cate"+chartGetter+"_series"+chartGetterArray;
        values = $("#"+idOfInput).val();
        if(values == ""){
            values = 0;
        }

        catesArray.push(values);
    }
    catesArrayHolder.push(catesArray);
}

this function does NOT work with me... it works with the one-dimensional arrays

catesArrayHolder.sort(function(a,b){return a-b});

I appreciate your help.

share|improve this question
3  
a - b is only really sensible for numbers. You'll have to define an appropriate ordering function for your objects. In this case, that is actually (and a and b represent) an array of values. If order of values doesn't matter, sort the array of values first (cratesArray) before they are put into cratesArrayHolder, to make the ordering over the arrays of values simpler. –  user166390 Feb 28 '13 at 3:32
    
This might help you: jsfiddle.net/DerekL/Z77Jp –  Derek 朕會功夫 Feb 28 '13 at 3:40
add comment

1 Answer

up vote 2 down vote accepted

Edit

To sort on the Sum of the sub arrays you can use:

Example

JS

var twoDArray = [[9,1],[5,3],[8,2]];

twoDArray.sort(function(a, b){
    //sort by sum of sub array
    return eval(a.join('+')) - eval(b.join('+')); 
}); 

alert(JSON.stringify(twoDArray));

So your code would look like:

catesArrayHolder.sort(function(a, b){
    return eval(a.join('+')) - eval(b.join('+')); 
});

Original

Looks like you're trying to sort a two dimensional array.

You'll need to specify the secondary array position in the sort function.

Example

JS

var twoDArray = [[9,1],[5,3],[4,2]];

twoDArray.sort(function(a, b){
    //Sort by the first value in the sub array
    return a[0] - b[0]; 
}); 

alert(JSON.stringify(twoDArray)); 

twoDArray.sort(function(a, b){
    //sort by the second value in the sub array
    return a[1] - b[1]; 
}); 

alert(JSON.stringify(twoDArray));

So to get your code working, you'll need something to the effect of:

var posToSortOn = 0; //position in the sub arrays that dictates sort precedence 
catesArrayHolder.sort(function(a,b){return a[posToSortOn]-b[posToSortOn]});
share|improve this answer
    
This is very helpful, But I need to get the highest value of all. This is my goal of sorting the array. –  Develop Smith Feb 28 '13 at 4:01
    
@DevelopSmith - I'm not sure what you mean by "highest value of all" –  Brandon Boone Feb 28 '13 at 4:03
    
I mean that all the values will entered to the array are numeric values. In your example 9 is the highest value in twoDArray –  Develop Smith Feb 28 '13 at 4:08
    
thanks it works fine. Now I can take some rest. you can read this article –  Develop Smith Feb 28 '13 at 4:17
    
it is about the eval() –  Develop Smith Feb 28 '13 at 4:17
show 1 more comment

Your Answer

 
discard

By posting your answer, you agree to the privacy policy and terms of service.

Not the answer you're looking for? Browse other questions tagged or ask your own question.