js 数组中获取带有某个对象属性的子元素的索引。

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let arr = [     {        name: 'job',        year: 18     },     {        name: 'Bob',        year: 16     } ] let obj = {     name: 'Bob',     sex: '男' } const activeIndex = arr.findIndex(d => d.name === obj.name)