2018年7月5日
数组的反转 排序 截取 连接
摘要： (1)反转数组 var arr = ["e","d","c","b","a"]; console.log(arr.reverse()); var arr = ["e","d","c","b","a"]; console.log(arr.reverse()); (2)数组排序 //数组排序:sort( 阅读全文
posted @ 2018-07-05 10:06 哈希尔~兰登 阅读(308) 评论(0) 推荐(0)
遍历数组
摘要： (1)every( )他的返回值是一个boolean类型值,而参数是一个回调函数。 var arr = ["关长","张飞","赵龙","马超","黄忠"]; var bool = arr.every(function (element,index,array) { if(element.lengt 阅读全文
posted @ 2018-07-05 09:53 哈希尔~兰登 阅读(212) 评论(0) 推荐(0)