摘要: (1)判断数组中某个元素出现的次数 ,比如判断 'c' 出现的次数; (2)计算数组中每个元素出现的次数; (3)判断数组中哪个元素出现的 次数最多。 var arr = ['a','k','k','g','k','f','a','g','f','g','d']; var obj = {}; for 阅读全文
posted @ 2021-06-16 20:15 望尐 阅读(361) 评论(0) 推荐(0)
摘要: var arr = [614,777,937]; var a = arr[0]; var b = arr[1]; var c = arr[2]; var max1 = a>b?(a>c?a:c):(b>c?b:c); console.log('最大值为'+max1+''); var min1 = a 阅读全文
posted @ 2021-06-16 20:07 望尐 阅读(737) 评论(0) 推荐(0)
Document