网站建设备案是什么意思,wordpress 签到功能,网站照片加水印,邢台网站建设包括哪些const unionL (l1, l2){for(let i0; i l1.length; i){if(l2.indexOf(l1[i]) -1){l2.push(l1[i])}}return l2
}let l1 [1,2,3,4];
let l2 [1,2,5];
console.log(unionL(l1,l2)); //[1, 2, 5, 3, 4]const unionL (l1, l2){for(let i0; i l1.length; i){if(l2.indexOf(l1[i]) -1){l2.push(l1[i])}}return l2
}let l1 [1,2,3,4];
let l2 [1,2,5];
console.log(unionL(l1,l2)); //[1, 2, 5, 3, 4]
