unshift vs push+reverse

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Testing in
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unshift
var a = [];
a.unshift({ id: 1 })
a.unshift({ id: 2 })
a.unshift({ id: 3 })
ready
push + reverse
var a = [];
a.push({ id: 1 })
a.push({ id: 2 })
a.push({ id: 3 })
a.reverse()
ready

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