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-4 按位取反的结果是
Anonymous Quiz
11%
1
14%
2
75%
3
var myObject = {
myFunction: function(){
console.log(this === myObject); } }; myObject.myFunction();
Anonymous Quiz
59%
true
41%
false
这是一个reactjs的class component
if (true) {
let i = 1;
const f = () => { console.log(i); } } f();
Anonymous Quiz
28%
1
44%
ReferenceError
29%
undefined
console.log(typeof typeof Symbol(567))
Anonymous Quiz
64%
string
25%
symbol
11%
number
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Forwarded from jokin
console.log("1">>1&&1||1**1)
Anonymous Quiz
53%
1
20%
undefined
27%
SyntaxError
挺多的
console.log(“1”>>1);
Anonymous Quiz
62%
0
25%
1
13%
2
ES6里,object 属于 iterable 吗?
Anonymous Quiz
50%
true
50%
false
ES6里,Array和Map属于iterable吗?
Anonymous Quiz
76%
true
24%
false
ES6 里,生成器(generator)属于 iterable 吗?
Anonymous Quiz
65%
true
35%
false
In the untyped lambda calculus the only primitive data type is the ______.
Anonymous Quiz
20%
number
14%
string
47%
function
18%
object
ASCII is a __ bit binary system.
Anonymous Quiz
9%
6
34%
7
57%
8
分享两段实用js代码
function isPromise(value) {
return Object.prototype.toString.call(value) === '[object Promise]'
}
function delayed(ms) {
return new Promise((resolve) => setTimeout(resolve, ms))
}