跳出循环

let val = "";
      for (let i = 0; i < v.length; i++) {
        if (v[i].name === name) {
          val = v[i].value;
          break;
        }
      }
      return val;

let a = "";
      try {
        v.forEach((ele) => {
          if (ele.name === name) {
            a = ele.value;
            throw Error();
          }
        });
      } catch (e) {

        return a;
      }