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JavaScript check if key exists in localStorage

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Energetic Elk answered on July 4, 2020 Popularity 8/10 Helpfulness 5/10

answer JavaScript check if key exists in localStorage

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JavaScript check if key exists in localStorage

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const key = 'myKey';

if (localStorage.getItem(key) !== null) {
    console.log('Key exists in local storage!');
} else {
    console.log('Key does not exist.');
}

Popularity 8/10 Helpfulness 5/10 Language javascript

Source: www.rajamsr.com

Tags: exists javascript key local-storage

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Contributed on Jan 09 2024

Energetic Elk

0 Answers Avg Quality 2/10

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check if localstorage key exists js

Comment

if("user" in localStorage){
   alert('yes');
} else {
   alert('no');
}

Popularity 10/10 Helpfulness 6/10 Language javascript

Source: Grepper

Tags: exists ex

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Contributed on Jul 04 2020

Lokesh003

0 Answers Avg Quality 2/10

check if localstorage key exists

Comment

localStorage.exist = function(key) {
  return localStorage.getItem(key) !== null
}

Popularity 1/10 Helpfulness 1/10 Language javascript

Source: Grepper

Tags: exists javascript key local-storage

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Contributed on Jan 12 2022

Talented Tern

0 Answers Avg Quality 2/10

JavaScript check if key exists in localStorage

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JavaScript check if key exists in localStorage

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check if localstorage key exists js

check if localstorage key exists

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