Var array=[
{
Id: 1,
Name: aaa,
Info: [
{
Id: 1,
Adress: beijin
},
{
Id: 2,
Adress: Shanghai
},
.
]
},
{
Id: 2,
Name: BBB,
Info: [
{
Id: 1,
Adress: beijin
},
{
Id: 2,
Adress: Shanghai
},
.
]
}
,...
]; Cycle, if the info of the array element is deleted when the id is not equal to the parent element id, such as {id: 1, name: aaa, info: [{id: 1, adress: beijin}, {id: 2, adress: Shanghai},... Id=1} in the father, the info id is not equal to 1 are all deleted, use for splice is found in the info all deleted is empty,

CodePudding user response:

for(var i=0; I
Var id=array [I]. Id;
Var list=[]
for(var j=0; J
If (array [I]. Info [j]. Id==id) {
List. Push (array [I]. Info [j])
}
}
Array [I]. Info=list;

}

CodePudding user response:

Array. The map ((item, index)=& gt; {

Var list=item. Info. The filter ((voo)=& gt; {

Return the item. The id==voo. Id;
})
Array [index]. Info=list
})

CodePudding user response:

 
Var array=[{
Id: 1, 
Name: "aaa", 
Info: [{
Id: 1, 
Adress: "beijin 
"}, {
Id: 2, 
Adress: "Shanghai" 
}] 
}, {
Id: 2, 
Name: "BBB," 
Info: [{
Id: 1, 
Adress: "beijin 
"}, {
Id: 2, 
Adress: "Shanghai" 
}] 
}]; 

for (var i=0; I & lt; Array. The length; I++) {
Var info=array [I] the info; 
For (var j=info length - 1. J & gt;=0; J -) 
If (info [j]. Id!=array [I]. Id) 
Info. Splice (j, 1); 
} 
The console. The log (array);