Sorting Arrays
arr1.sort(function(a,b){return a-b;}); ... arr1.sort(function(a,b){return Math.abs(a)-Math.abs(b);}); ... arr1.sort();
JavaScript provides a nice interface to sort arrays. The array object has a sort(function) method. The sort() method sorts the elements of the array in alphabetical order, converting elements to strings if possible, which is a problem for numerical arrays. You can specify your own sort function that accepts two elements and returns the following:
true or a positive number if the first value should be sorted higher
0 if they are equal
false or a negative number if the first value ...
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