Several methods of converting pseudo-array to true array

Method 1

Array.prototype.slice.apply(arrObj);
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Method 2

Array.prototype.slice.call(arrObj);
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Methods 3

 [].slice.apply(arrObj);
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Methods 4

 [].slice.call(arrObj);
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Method # # # 5 (Es6)Copy the code

 Array.from(arrObj);
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# # # 6 (Es6) methodCopy the code

newArrObj = [...arrObj];
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