[Solved] I have my array as arr=[1,2,3,4]. I pushed an element in it arr.push(5). Now I need to display my array as [5,4,3,2,1]. Any Idea? [duplicate]

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I have my array as arr=[1,2,3,4]. I pushed an element in it arr.push(5). Now I need to display my array as [5,4,3,2,1]. Any Idea? [duplicate]

solved I have my array as arr=[1,2,3,4]. I pushed an element in it arr.push(5). Now I need to display my array as [5,4,3,2,1]. Any Idea? [duplicate]