SOURCE

  // 跳转url, 跳转过的不再跳转，从第一个继续跳转,输入参数为链接数组
const urlstr = 'url1,url2,url3,url4';

function jumpUrl() {
  const urls = urlstr.split(','); 
  let visited = localStorage.getItem('urlset') ? JSON.parse(localStorage.getItem('urlset')) : []
  for (let i = 0; i < urls.length - 1; i++) {
    const url = urls[i];
    if (urls[i] && !visited.find(item => item ===(urls[i]))) {
      visited.push(url);
      localStorage.setItem('urlset', JSON.stringify(visited));
    //   window.location.href = url;
    alert('跳转到'+url)
      return;
    }
  }
  // 如果都已经被访问过了，清掉重来
  visited = [];
  localStorage.setItem('urlset', JSON.stringify(visited));
//   window.location.href = urls[urls.length - 1];
    const url = urls[urls.length - 1];
    alert('跳转到'+url)
  return false;
}
jumpUrl()