The Stability of the Array.sort() Method in Different Browsers
The ECMA Script specification leaves the choice of sorting algorithm and stability to the browser's implementation. As such, the stability of Array.sort() varies across different browsers.
Browser Stability Evaluation:
IE6 : Stable
Firefox:
Chrome:
Opera:
Safari:
Edge:
Stable vs. Unstable Sorting:
A stable sorting algorithm maintains the relative order of equal elements. In an unstable sort, equal elements can have their order reversed after sorting.
Implications of Stability:
The instability of Array.sort() in certain browser versions can affect the reliability of sorting code. For example, when sorting by multiple criteria, instability can lead to unpredictable results.
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