constlength=4;constnumbers=[];vari;for(i=0;i A: 3 B: C: 4 D: 5
constlength=4;constnumbers=[];vari;for(i=0;i A: 3 B: C: 4 D: 5
constlength=4;constnumbers=[];vari;for(i=0;i<length;i++){//doesnothing}{//asimpleblocknumbers.push(i+1);}console.log(numbers)结果为?() A: 3 B: null C: 4 D: 5
constlength=4;constnumbers=[];vari;for(i=0;i<length;i++){//doesnothing}{//asimpleblocknumbers.push(i+1);}console.log(numbers)结果为?() A: 3 B: null C: 4 D: 5
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