使用javascript删除数组对象的属性

Question

I have an array object in the below format and need to delete a property of an array.

Code:

var partDetailArray={[PartId:100,PartRowID:'row-1']
,[PartId:100,PartRowID:'row-1']};
delete partDetailsArray.PartRowID;

I need to remove the PartRowID property from the array, but the delete statement isn't working.

Answer 1

If you look in the console, you'll see that you're getting syntax errors with that code for the reasons I put in my comment on the question.

I'm going to guess you meant to have an array containing objects, like this:

var partDetailArray = [
    {PartId:100,PartRowID:'row-1'},
    {PartId:100,PartRowID:'row-1'}
];

In that case, the array doesn't have a PartRowID property, but each of the objects in it does. So we need to index into the array to access the object, and delete the property from it:

delete partDetailsArray[0].PartRowID;
// Indexing into it ---^^^

That would delete that property from the first one. If you want to delete all of them, you'll need a loop:

var index;
for (index = 0; index < partDetailArray.length; ++index) {
    delete partDetailsArray[index].PartRowID;
}