Open zhangsanshi opened 7 years ago
<button id="a">xxxx</button> <script> a.onclick = function () { console.log(1); }; function b() { console.log(2); var delay = new Date() - 0 + 10000; while (new Date()< delay) { } } b(); </script>
页面加载完成后,接着点击 button a N次,会打印什么?答案
2 1(N次)
var a = [3,3,4,5,4];
ES6 答案
var s = new Set(a); var out = [...s];
1.
页面加载完成后,接着点击 button a N次,会打印什么?答案
ES6 答案