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[英]Pushing multiple objects in an array without overwriting other objects in TypeScript & React - Adding to a Favorites list
[英]Adding objects to a list in angular 2 typescript
我在将数据推送到列表中时遇到问题,这是我的代码。
labelListSelected: Label[];
onChange(object,flag){
if(flag==false){
this.labelListSelected.push(object);
}
console.log(this.labelListSelected);
// console.log(object.Id+" : "+flag);
}
我猜它的空指针,更改为:
labelListSelected:Label [] = [];
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