2021-03-16 09:38发布
var arr = [{a: 1, b: 2, c: 3}]var aa = 'arr[0].a'怎么通过aa变量输出1,例如:console.log([aa])但这样是不正确的。 显示全部
var arr = [{a: "1", b: "2", c: "3"}]var aa = 'arr[0].a'
怎么通过aa变量输出1,例如:console.log([aa])但这样是不正确的。
var a = [["a","b","c"],["d","e"],["1","2","3"]]var b= ["4","5","6"]a.push(b)console.log(a)直接用push()就可以了
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var a = [["a","b","c"],["d","e"],["1","2","3"]]
var b= ["4","5","6"]
a.push(b)
console.log(a)
直接用push()就可以了
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