varx=10;[br][/br] functioncals(myNum){ returnx+myNum; } 函数cals(7)返回什么? A: NaN B: 17 C: 107 D: 10
varx=10;[br][/br] functioncals(myNum){ returnx+myNum; } 函数cals(7)返回什么? A: NaN B: 17 C: 107 D: 10
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varx=10;[br][/br] functioncals(myNum){ returnx+myNum; } 函数cals(7)返回什么? A: NaN B: 17 C: 107 D: 10