function fun(a,b){ var temp; temp=a; a=b; b=temp; } var x=0,y=5; fun(x,y); console.log(x);//0
是參數(shù)沒傳進(jìn)去?還是函數(shù)沒執(zhí)行呀?
三國紛爭
2018-11-29 22:15:25