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Remove duplicate elements: Difference between revisions
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=={{header|JavaScript}}==
This uses the <code>===</code> "strict equality" operator, which does no type conversions (<code>4 == "4"</code> is true but <code>4 === "4"</code> is false)
<lang javascript>function unique(ary) {
// concat() with no args is a way to clone an array
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