slice Method (Array)
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Returns a section of an array.
The slice method syntax has these parts:
Part Description arrayObj Required. An Array object. start Required. The zero-based index of the beginning of the specified portion of arrayObj. end Optional. The zero-based index of the end of the specified portion of arrayObj.
The slice method returns an Array object containing the specified portion of arrayObj.
The slice method copies up to, but not including, the element indicated by end. If negative, end indicates an offset from the end of arrayObj. In addition, it is not zero-based. If omitted, extraction continues to the end of arrayObj.
In the example that follows, all but the last element of myArray is copied into newArray:If an object reference is copied from arrayObj to the result, the object reference in the result still points to the same object. Changes to that object are reflected in both arrays.newArray.slice(0, -1))
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