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<Sorting Values with JavaScript ⁄ >




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So, how exactly does sorting work in JavaScript? It's not too complicated: any array object has a sort method. If you don't pass it any parameters, it will convert the objects in the array to strings, sort them pseudo-alphabetically, and return them. Usually, this is terrible; consider sorting the numbers 0 - 10 alphabetically. You would get this: [0, 1, 10, 2, 3, 4, 5, 6, 7, 8, 9]. Fortunately, we can pass a function to the sort method. That function should take two parameters (the two items to be compared): then, it will return 0 if they are equal, a negative number if the first parameter takes precedence, or a positive number of the second parameter should come first. So numbers are actually the simplest thing to sort "manually":



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