为什么a2可以,a3不可以?
let a = Range("C3:C11").Value2;
console.log(`result is :${JSON.stringify(a)}`);
let a2 = [["id"],["1"],["2"],["3"],["4"],["5"],["6"],["7"],["8"]].reduce((p,c)=>{p.push(c[0]);return p;},[]);
console.log(`result is :${JSON.stringify(a2)}`);
let a3 = a.reduce((p,c)=>{p.push(c[0]);return p;},[]);
console.log(`result is :${JSON.stringify(a)}`);