如何从对象数组中删除属性? [英] How to remove properties from an object array?
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问题描述
我正在尝试从对象数组中删除属性。
I am trying to remove a property from an object array.
export class class1 {
prop1: string;
prop2: string;
prop3: string;
}
export class class2 {
myprop = [
{ prop1:'A', prop2:"1", prop3:"descr1" },
{ prop1:'B', prop2:"2", prop3:"descr2" },
{ prop1:'C', prop2:"3", prop3:"descr3" },
];
get(): class1[] {
return this.myprop ;
}
add(value: class1): void {
this.myprop.push(value);
}
}
var var1 = class2.get();
var var2 =
我希望var2包含这样的内容。
I would like var2 contain something like this.
[
{ prop1:'A', prop3:"descr1" },
{ prop1:'B', prop3:"descr2" },
{ prop1:'C', prop3:"descr3" },
];
有没有办法转换/投出 var1
进入以上?换句话说,我想从 var1
对象数组中删除 prop2
并将其分配给 VAR2
。我该怎么做?
Is there a way to convert/cast var1
into the above? In other words, I would like to remove prop2
from var1
object array and assign it to var2
. How can I do that?
推荐答案
你可以删除这样的对象属性,例如
You can delete object property like this e.g.
var myprop = [
{prop1: 'A', prop2: "1", prop3: "descr1"},
{prop1: 'B', prop2: "2", prop3: "descr2"},
{prop1: 'C', prop2: "3", prop3: "descr3"},
];
myprop = myprop.filter(function (props) {
delete props.prop2;
return true;
});
console.log(myprop);
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