How to update and delete object Value in javascript

Question

var key = {"kay_1":{
"sample_1":"spmedata", "sample_2":"spmedata", }, "kay_2":{
"sample_1":"spmedata", "sample_2":"spmedata", } }

Now My Question is that how to update and delete "kay_2"->"sample_1" key?

Use the dot or bracket notation to update value: key['kay_2']['sample_1'] = 'new value'. To delete use delete key['kay_2']['sample_1']. — Terry
– Terry, Commented Dec 1, 2015 at 8:38
Please have a look at: developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/… — Cerbrus
– Cerbrus, Commented Dec 1, 2015 at 8:41
Need a complete tutorial to manipulate JSON data by Native Javascript. — Kaushik Das
– Kaushik Das, Commented Dec 1, 2015 at 9:11

void · Accepted Answer · 2015-12-01 08:39:19Z

1

var key={"kay_1":{        
             "sample_1":"spmedata",
             "sample_2":"spmedata",
    },
"kay_2":{        
             "sample_1":"spmedata",
             "sample_2":"spmedata",
    }
}

// To update the value
key['kay_2']['sample_1'] = 'new value';

// To delete the key
delete key['kay_2']['sample_1']

answered Dec 1, 2015 at 8:39

void

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1 Comment

Kaushik Das Over a year ago

1: Object latlng: Object lat: 37.579412513438385 lng: -99.4976806640625 proto: Object proto: Object 2: Object latlng: Object lat: 37.996162679728116 lng: -90.7745361328125 proto: Object proto: Object proto: Object How to update Object '2' latlng Dynamically? Code will check whether it is object 1 or 2? I have integer value, I have checked it but it becomes object to integer checking?

Praveen Patel · Accepted Answer · 2020-01-24 06:17:27Z

1

to update both ways could be used

key.kay_2.sample_1 = "changed value";
key['kay_2']['sample_1'] = "changed value";

for delete is the same

delete key.kay_2.sample_1;
delete key['kay_2']['sample_1'];

edited Jan 24, 2020 at 6:17

Praveen Patel

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answered Jan 24, 2020 at 5:32

cbeltrangomez

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Comments

TK8 · Accepted Answer · 2015-12-01 08:43:07Z

0

To modify the value try,

key.kay_2.sample_1 = "changed value";

To delete,

delete key.kay_2.sample_1

answered Dec 1, 2015 at 8:43

TK8

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