摘要：
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="description" content=""> <meta name="keywords" content="bait bark"> <meta h 阅读全文
摘要：
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="description" content=""> <meta name="keywords" content="bait bark"> <meta h 阅读全文
摘要：
let b = { n1: 11, n2: 22, n3: 44, n4: 55, ns: { n1, n2 } } n1 n2 不是变量, 是b的key let t={22,33} let b = { n1: 11, n2: 22, n3: 44, n4: 55, ns: { this.n1, t 阅读全文
摘要：
let i = 0 setTimeout(function (n) { console.log(55, n) }, 1000, setTimeout(function () { console.log(44, i) i++ return i+2 })) 先计算第三参数, 返回值为Timeout对象, 阅读全文