1、使用concat()方法: let array1 = [1, 2, 3]; let array2 = [4, 5, 6]; let mergedArray = array1.concat(array2); 2、使用扩展运算符…(ES6语法): let array1 = [1, 2, 3]; let array2 = [4, 5, 6]; let mergedArray = [...array1, ...array2];