[英]How to filter array in javascript
Here is my array of two values.这是我的两个值的数组。
let dataList = ["x","y","z","a","b"]
let data2= {
x:{hide:true},
y:{hide:true},
z:{},
a:{}
}
here is my trying code:这是我的尝试代码:
let filters = dataList.filter(item=>Object.keys(data2).includes(item))
I want to filter dataList based data2 - hide:true.我想过滤基于 dataList 的 data2 - hide:true。 For example, if values object property hide:true inside data2, key will be removed.
例如,如果值 object property hide:true inside data2,key 将被删除。
expected output:预计 output:
["z","a"]
I believe it is a simple as this我相信这很简单
let dataList = ["x","y","z","a","b"] let data2= { x:{hide:true}, y:{hide:true}, z:{}, a:{} } let filters = dataList.filter(item=> data2[item] &&.data2[item].hide) console.log(filters)
You can check if the key exists on data2
and check for hide
to be true
您可以检查
data2
上是否存在密钥并检查hide
是否为true
dataList.filter(item => data2[item] &&.data2[item].hide )
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.