let arr = [
{
name: '小明',
age: 18
},
{
name: '小花',
age: 18
}
]
//判断某个属性是否重复
function isRepeat(arr,key) {
let set = new Set; //根据Set的特性做判断
arr.forEach(item=>{
set.add(item[key])
})
return set.size === 1
}
//判断name和age属性是不是相同
console.log(isRepeat(arr,'name')); //false
console.log(isRepeat(arr,'age')); //true
Determine whether a property of each object in an array of objects is the same
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Origin blog.csdn.net/qq_41550865/article/details/124019153
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