javascript - 在javascript或jquery中合并数组

Question

var first = [ "a", "b", "c" ];
var second = [ "d", "e", "f" ];

我的输出应该是

var final=["a~d","b~e","c~f"];

其中 '~' 是分隔符。

Answer 1

检查两个数组的长度。

查看代码内嵌注释:

var first = [ "a", "b", "c" ];
var second = [ "d", "e", "f" ];

var len = first.length > second.length ? first.length : second.length;
// Get the length of the array having max elements

var separator = '~';

var final = [];

for(var i = 0; i < len; i++) {
    // If no element is present, use empty string
    first[i] = first[i] ? first[i] : '';
    second[i] = second[i] ? second[i] : ''; 

    final.push(first[i] + separator + second[i]);
    // Add the new element in the new array
}