It’s about time the company _______ its customer service.
Anonymous Quiz
59%
to improve
11%
improved
17%
improve
13%
improving
Forwarded from Jessire
I’m pleased ______ should be done has already been done.
Anonymous Quiz
12%
that that
30%
with what
8%
by that
50%
that what
问题：下面代码中 a 在什么情况下会打印 1？：
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var a = ?;
if(a == 1 && a == 2 && a == 3){
console.log(1);
}欢迎进群讨论。
quizSolver电报做题家
问题：下面代码中 a 在什么情况下会打印 1？： var a = ?; if(a == 1 && a == 2 && a == 3){ console.log(1); } 欢迎进群讨论。
1 var a = {
2 i: 1,
3 toString() {
4 return a.i++;
5 }
6 }
7 if( a == 1 && a == 2 && a == 3 ) {
8 console.log(1);
9 }
解析：JS有隐式类型转换，所以重写toString方法就可以了。
2 i: 1,
3 toString() {
4 return a.i++;
5 }
6 }
7 if( a == 1 && a == 2 && a == 3 ) {
8 console.log(1);
9 }
解析：JS有隐式类型转换，所以重写toString方法就可以了。