In Js, the string is converted into an array, and the array is converted into a string function.

Convert an array to a string (concatenate an array element into a string using a character) vara, B; anewArray (, 4); ba. join (& quot;-& quot;); Convert string to an array (cut the string into several strings by a character and return it as an array) vars & quot; abc, abcd ,... syntaxHi Array to string (concatenate an Array element into a string using a character) var a, B; a = new Array (, 4); B =. join ("-"); Convert string to an array (cut the string into several strings according to a specific character, and return it as an array) var s = "abc, abcd, aaa "; ss = s. split (","); // separate each comma.