Question

Object.hasOwn and hasOwnProperty doesn't narrow TypeScript type as expected

score 605 · Answer 1 · 2023-04-26T19:09:24.873000

605

Views

Object.hasOwn and hasOwnProperty doesn't narrow TypeScript type as expected

Published on 26 April 2023 at 19:09

score 141 · Answer 2 · 2023-01-27T14:20:14.067000

141

Views

Recursive hasOwnProperty for objects

Published on 27 January 2023 at 14:20

score 5.4k · Answer 3 · 2022-09-21T08:53:41.457000

5.4k

Views

Removing duplicates in array in javaScript using hasOwnProperty

Published on 21 September 2022 at 08:53

score 136 · Answer 4 · 2022-08-21T13:54:26.613000

136

Views

Getting Own object keys with no built-in methods

Published on 21 August 2022 at 13:54

score 16 · Answer 5 · 2022-08-09T19:21:18.380000

I am trying to push a value to an array only if the array exists within a javascript object. If the array doesn't exist, I wish to create one and add

score 63 · Answer 6 · 2022-04-16T04:04:20.500000

63

Views

What is the issue with having duplicated variables accross instances of objects?

Published on 16 April 2022 at 04:04

score 897 · Answer 7 · 2022-01-14T22:25:52.480000

897

Views

hasOwnProperty() is only checking if a certain property exists in a JSON, but doesn't return anything if it doesn't

Published on 14 January 2022 at 22:25

score 111 · Answer 8 · 2022-01-12T11:49:49.733000

111

Views

Avoid recurring 'if' verification to check if an object has property

Published on 12 January 2022 at 11:49

score 931 · Answer 9 · 2021-11-11T02:10:03.690000

931

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JSON - return number of items within a list that have a specific key value

Published on 11 November 2021 at 02:10

score 18k · Answer 10 · 2021-10-13T19:55:32.843000

18k

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Object.hasOwn() vs Object.prototype.hasOwnProperty()

Published on 13 October 2021 at 19:55

score 15.4k · Answer 11 · 2021-10-05T22:36:30.637000

15.4k

Views

check if object has key in Typescript and use that key

Published on 05 October 2021 at 22:36

score 14.4k · Answer 12 · 2021-07-30T16:12:35.390000

14.4k

Views

Fixing "Do not access Object.prototype method 'hasOwnProperty' from target object" error

Published on 30 July 2021 at 16:12

score 342 · Answer 13 · 2021-06-23T17:15:39.457000

342

Views

TypeError: Cannot read property 'hasOwnProperty' of undefined - Twitter API V2 vs. GAS

Published on 23 June 2021 at 17:15

score 772 · Answer 14 · 2021-06-22T14:35:11.893000

772

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Highchart React not rendering heat map after refresh its throwing error

Published on 22 June 2021 at 14:35

score 787 · Answer 15 · 2021-02-02T12:49:10.920000

787

Views

Is !obj[key] a good practice to check the existence of an object's property in JavaScript?

Published on 02 February 2021 at 12:49

score 39 · Answer 16 · 2021-01-22T16:53:24.663000

39

Views

Why am I only getting back the results of my final 'hasOwnProperty' call?

Published on 22 January 2021 at 16:53

score 971 · Answer 17 · 2020-10-04T15:09:31.883000

971

Views

Javascript HasOwnProperty Polyfill

Published on 04 October 2020 at 15:09

score 286 · Answer 18 · 2020-09-10T07:40:04.020000

286

Views

Call 'hasOwnProperty' on a reponse (fetch-api)

Published on 10 September 2020 at 07:40

score 63 · Answer 19 · 2020-07-03T07:14:26.687000

63

Views

Why performance.hasOwnProperty('getEntries') returns false while typeof performance.getEntries returns function?

Published on 03 July 2020 at 07:14

score 785 · Answer 20 · 2020-04-09T15:08:32.853000

785

Views

Node JS - Check if JSON File hasOwnProperty with nested elements

Published on 09 April 2020 at 15:08

List Question

Object.hasOwn and hasOwnProperty doesn't narrow TypeScript type as expected

Recursive hasOwnProperty for objects

Removing duplicates in array in javaScript using hasOwnProperty

Getting Own object keys with no built-in methods

I am trying to push a value to an array only if the array exists within a javascript object. If the array doesn't exist, I wish to create one and add

What is the issue with having duplicated variables accross instances of objects?

hasOwnProperty() is only checking if a certain property exists in a JSON, but doesn't return anything if it doesn't

Avoid recurring 'if' verification to check if an object has property

JSON - return number of items within a list that have a specific key value

Object.hasOwn() vs Object.prototype.hasOwnProperty()

check if object has key in Typescript and use that key

Fixing "Do not access Object.prototype method 'hasOwnProperty' from target object" error

TypeError: Cannot read property 'hasOwnProperty' of undefined - Twitter API V2 vs. GAS

Highchart React not rendering heat map after refresh its throwing error

Is !obj[key] a good practice to check the existence of an object's property in JavaScript?

Why am I only getting back the results of my final 'hasOwnProperty' call?

Javascript HasOwnProperty Polyfill

Call 'hasOwnProperty' on a reponse (fetch-api)

Why performance.hasOwnProperty('getEntries') returns false while typeof performance.getEntries returns function?

Node JS - Check if JSON File hasOwnProperty with nested elements

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