Question

JavaScript 怎样高效拼接字符串

Answer 1

var arr = new Array();
 arr.push("字符串1");
arr.push("字符串2");
//........
var str=arr.join("");

Answer 2

JavaScript 怎样高效拼接字符串
var str1 = "str1";
var str2 = "str2"
var str3 = str1+str2;