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about array in js
Please someone help me, var num1=[1,2]; var num2=[3,4]; the output of(num1+num2) is an array with four elements(1,2,3,4), but why the length is 6?
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Please someone help me, var num1=[1,2]; var num2=[3,4]; the output of(num1+num2) is an array with four elements(1,2,3,4), but why the length is 6?
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