Deleting specific keys from an array of object

Question

var arrayObjects = [{key1:'value',key2:'value2'},{'key1:'value',key2:'value2}]

for(i = 0; i <arrayObjects.length; i++) {
    for (key in arrayObjects[i]) {
          delete key1; // Delete the key
          delete arrayObjects[i]['key1'] // Delete the Key's Value

    }

}

I get a error message 'cannot delete property of null'

Sascha Galley · Accepted Answer · 2011-07-19 15:10:59Z

4

You don't need delete key1;, just do:

for(i = 0; i <arrayObjects.length; i++) {
    delete arrayObjects[i]['key1'] // Delete the Key
}

If you only want to delete key1 from each array entry.

answered Jul 19, 2011 at 15:10

Sascha Galley

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