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Customized Multi-Column Array Sorting in JavaScript
Sorting arrays based on multiple columns is a common task in programming. This question explores how to achieve this in JavaScript for a specific array structure.
The array in question is a multidimensional array with the following structure:
[publicationID][publication_name][ownderID][owner_name]
The goal is to sort the array first by owner_name and then by publication_name.
To sort on multiple columns, the custom sort function needs to consider both criteria. The following code demonstrates how to modify the provided mysortfunction to achieve the desired result:
function mysortfunction(a, b) { var o1 = a[3].toLowerCase(); var o2 = b[3].toLowerCase(); var p1 = a[1].toLowerCase(); var p2 = b[1].toLowerCase(); if (o1 < o2) return -1; if (o1 > o2) return 1; if (p1 < p2) return -1; if (p1 > p2) return 1; return 0; }
In this function:
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