2015年
-
编辑 删除
JavaScript 类数组对象代码举例?
JavaScript 类数组对象代码举例a = "hello"[].map.call(a, (e) -> e.toUpperCase()) # => [ 'H', 'E', 'L', 'L', 'O' ][].reduceRight.call(a, (acc, e) -> acc + e) # => 'olleh'b = {1: "a", 2: "b", 4: "c", length: 6}[].reduce.call(b, (acc, e) -> acc + e) # => 'abc'So what exactly makes an object “array...
