var array = [
{
name: "aa",
},
{
name: "bb",
},
{
name: "cc",
},
{
name: "dd",
},
{
name: "ee",
},
];
var line = array.map((item) => item.name).indexOf("aa");
console.log(line);
数组.map使用indexOf获取下标
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转载自blog.csdn.net/hql1024/article/details/107067081
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