单项选择题 function sidEffecting(ary) { ary[0] = ary[2]; } function bar(a,b,c) { c = 10 sidEffecting(arguments); return a + b + c; } bar(1,1,1) 以下运行结果正确的是 ()
单项选择题 function showBiBao() { for (var i = 0; i < 5; i++) { setTimeout( function timer() { console.log(i); }, 1000 ); } console.log(i) } 调用此函数会输出什么 ()
单项选择题 unction isOdd(num){return num % 2==1;}function isEven(num){return num % 2==0;}function isSane(num){return isEven(num)||isOdd(num);}var values=[7,4,’13’,-9,Infinity];values.map(isSane);()